{"title":"Rough \u0026 Formless Specimens","description":"\u003cp\u003eExplore our collection of raw, unpolished minerals in their natural, uncut state. From jagged crystal clusters to matrix-attached rough stones, each specimen showcases the mineral exactly as it formed underground, with no cutting or polishing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNatural crystal clusters and points\u003c\/li\u003e\n\u003cli\u003eRough stones still on matrix\u003c\/li\u003e\n\u003cli\u003eUncut, unpolished mineral specimens\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePerfect for collectors and researchers who appreciate minerals in their most authentic, untouched form.\u003c\/p\u003e","products":[{"product_id":"ペタライト-ハイクリスタル-原石","title":"White Petalite Rough from Rubikon Mine","description":"\u003cp\u003ePredominantly white, with areas of pale beige and faint violet, this petalite has an elongated, irregular outline that narrows toward both ends. Stepped relief crosses its broad face, while jagged edges give it the appearance of a broken fragment of ice.\u003c\/p\u003e\n\u003cp\u003eJoun selected it while looking for a solid piece of petalite rough, drawn to its gentle appearance. To him, the silhouette also suggests a feather—a softer impression alongside its angular contours.\u003c\/p\u003e\n\u003cp\u003eThe white material is opaque, yet reflections from its fine facets give it a suggestion of luminosity rather than an overt sparkle. Joun recommends soft light from the side to reveal the stepped surface and the separate reflections across its faces.\u003c\/p\u003e\n\u003cp\u003eThis specimen comes from Rubikon Mine in the Karibib Constituency, Erongo Region, Namibia. Petalite is a lithium aluminum silicate found in lithium-bearing pegmatites; here, its appeal lies in the quiet contrast between pale color and an uneven, sharply defined form.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41665465549033,"sku":"PTL-CR-0001","price":80.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-179.jpg?v=1634636064"},{"product_id":"アイスアメジスト-クリスタル-原石","title":"Pale Lilac Etched Amethyst from Brazil","description":"\u003cp\u003eFine steps and overlapping hollows give this Brazilian amethyst an irregular, etched surface. Whitish, cloudy areas sit alongside patches that catch the light with a glass-like gleam, creating a quiet contrast in texture.\u003c\/p\u003e\n\u003cp\u003eThe overall color is pale lilac, with soft whitish violet near the center and slightly deeper purple along some edges. Uneven projections interrupt the outline, while tapering sections reveal different lines as the specimen is turned.\u003c\/p\u003e\n\u003cp\u003eAmethyst is the purple variety of quartz. Here, the intricate surface relief is as much a part of the viewing experience as the color. Joun was drawn to its unusual appearance: pieces with this particular character are not something he can expect to find again, and he prefers to acquire them when circumstances allow rather than force a purchase.\u003c\/p\u003e\n\u003cp\u003eTry viewing it on a desk or in a shallow display case, with indoor light falling across it at an angle to bring out the fine shadows. A protective pad or suitable securing material can help support it for display.\u003c\/p\u003e\n\u003cp\u003eHandle by supporting the whole piece rather than pinching its projections, which can chip under pressure or impact. Dust gently with a soft brush and avoid prolonged exposure to strong direct sunlight.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41665584562409,"sku":"IAM-CR-0001","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-172.jpg?v=1634634742"},{"product_id":"ヒマラヤ水晶-原石-gilgit-baltistan州産","title":"Raw Quartz Crystal - Skardu","description":"\u003cp\u003eThis compact quartz crystal remains unpolished, preserving its natural surface while revealing a notably transparent interior.\u003c\/p\u003e\n\u003cp\u003eIt reflects light readily and can appear whiter in photographs. Joun notes that its clarity is more apparent in person, especially as the viewing angle changes.\u003c\/p\u003e\n\u003cp\u003eThe specimen is from Skardu District in Gilgit-Baltistan, Pakistan. Quartz is composed of silicon dioxide and is valued here not for ornamentation, but for the directness of its natural crystalline form.\u003c\/p\u003e\n\u003cp\u003eThis is a piece to appreciate in the palm, where its transparency and shifting reflections can be observed at close range.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41665595310313,"sku":"HMQ-CR-0001","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-139.jpg?v=1634625926"},{"product_id":"エチオピアンオパール-原石","title":"Raw Opal Crystal - Play-of-Color","description":"\u003cp\u003eFine flashes of green and pale blue scatter across a pale, milky ground, while a broader patch of orange to reddish pink gathers on one side. This opal has a translucent quality, with areas of surface gloss and an irregular outline edged with small rises and recesses.\u003c\/p\u003e\n\u003cp\u003eTo Joun, this is a quintessential opal: sparkling and beautiful. Slight traces of host rock remain, lending it the natural character he appreciates alongside the shifting color. The specimen comes from Delanta Woreda, North Wollo Zone, in Ethiopia’s Amhara Region.\u003c\/p\u003e\n\u003cp\u003eOpal is a hydrated form of silica, classified as a mineraloid rather than a crystalline mineral. Its play-of-color arises from the interaction of light with its internal silica structure. Here, the contrast between fine green flashes and the broader warm-colored area offers a particular reason to look closely.\u003c\/p\u003e\n\u003cp\u003eUnder lighting that gives off little heat, change the viewing angle gradually to follow the distribution of color. A loupe can help reveal the difference between the scattered points of light and the wider orange-red patch. Handle gently; Joun recommends keeping this piece in a box or drawer between viewings rather than leaving it exposed. Avoid heat and contact with surfaces that could scratch it.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41665602388201,"sku":"OPA-CR-0001","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-2220.jpg?v=1634104098"},{"product_id":"フェナカイト-ハイクリスタル-ロシア産","title":"Russian Phenakite with an Ice-Like Surface","description":"\u003cp\u003eThis rough phenakite has an irregular form, with colorless to white areas, touches of pale yellow, and grayish areas along the upper edge and one side. Translucent sections and bright reflections across its small surface planes give it a varied appearance.\u003c\/p\u003e\n\u003cp\u003eTo Joun, the surface recalls a piece of ice broken into fine facets. Soft light from the side is his suggested way to view it, bringing attention to the uneven upper edge and the reflections scattered across the surface. A desk or a quiet place in the room offers a setting for closer observation.\u003c\/p\u003e\n\u003cp\u003eFrom the Izumrudnye Kopi area in Malyshevo, Sverdlovsk Oblast, Russia, this specimen was acquired some time ago from a gemologist seller in Canada. Joun notes that phenakite has become somewhat harder for him to source recently.\u003c\/p\u003e\n\u003cp\u003ePhenakite is a beryllium silicate, distinct from quartz despite their sometimes similar appearance. Its name derives from the Greek word for “deceiver,” a reference to that resemblance.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41667897098473,"sku":"PHE-CR-0001","price":330.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-145.jpg?v=1634628644"},{"product_id":"エメラルド-クリスタル-原石","title":"Panjshir Emerald Crystal on Matrix","description":"\u003cp\u003eA small green emerald crystal held in contrasting brown matrix, preserved as a natural specimen from Panjshir, Afghanistan.\u003c\/p\u003e\n\u003cp\u003eEmerald is the green variety of beryl, colored by trace amounts of chromium or, in some cases, vanadium. In this piece, the crystal remains connected to its host rock, keeping the mineral within its geological setting rather than presenting it as a cut gemstone.\u003c\/p\u003e\n\u003cp\u003eThe specimen traveled from Afghanistan to Namak Mandi, the mineral and gemstone market in Peshawar, Pakistan. In 2020, Joun selected it from the supplier’s extensive inventory. It then departed Islamabad for Japan, arriving at EARTH RIVER approximately one month later.\u003c\/p\u003e\n\u003cp\u003eIts compact scale gives this long route a quiet sense of contrast: a small mineral object carried from the Hindu Kush, through a border market, and finally into a room in Japan.\u003c\/p\u003e\n\u003ch2\u003eSpecimen Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 30 × 25 × 13 mm, including matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain crystal:\u003c\/strong\u003e Approx. 11 × 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 11.6 g, including matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Natural rough specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Panjshir, Afghanistan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41669466259689,"sku":"EME-CR-0001","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-163.jpg?v=1634633898"},{"product_id":"ベラクルスアメジスト-クリスタル-原石-1","title":"Veracruz Amethyst Crystal in Pale Violet","description":"\u003cp\u003ePale violet deepens gently toward the tip of this slender, prismatic amethyst crystal, while the base remains lighter. Several faces taper toward the tip, and small crystals attach near the base. Its transparency suggests a column of ice with a trace of violet held within.\u003c\/p\u003e\n\u003cp\u003eBright reflections cross the crystal faces, while fine internal lines reward closer viewing. Joun particularly appreciates the delicate purple and clarity of this piece, and considers it well suited to a desk display.\u003c\/p\u003e\n\u003cp\u003eThis specimen comes from Piedra Parada, Tatatila Municipality, Veracruz, Mexico. Amethyst is the violet-to-purple variety of quartz; here, the subtle difference between tip and base gives the color its character.\u003c\/p\u003e\n\u003cp\u003eSoft side lighting brings out the elongated outline and reflections. Gentle light from behind offers another way to compare the color at either end. Keep it away from prolonged strong direct sunlight and heat, and protect the crystal tips from knocks.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":41669630001385,"sku":"CRAME008A1","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-119.jpg?v=1634620079"},{"product_id":"ブルッカイト-ハイクリスタル-結晶","title":"Brookite Crystal with Red-Orange Edges","description":"\u003cp\u003eA thin, plate-like brookite crystal with a strong luster. The central and upper areas are deep brown, approaching black, while red-orange color appears along both side edges. These translucent margins give the crystal the appearance of dark glass edged with warmer color.\u003c\/p\u003e\n\u003cp\u003eFine vertical striations run across the broad face, catching and reflecting light strongly. The upper edge is flat, while the lower edge ends at an angle. Joun describes its presence as forceful—a personal impression that sits well with the contrast between its thin form and assertive reflections.\u003c\/p\u003e\n\u003cp\u003eThis is a brookite crystal in its own right, rather than brookite enclosed in quartz. It comes from the Ras Koh Mountains in Kharan District, Balochistan, Pakistan. Brookite is a form of titanium dioxide with a crystal structure distinct from those of rutile and anatase.\u003c\/p\u003e\n\u003cp\u003eFor closer viewing, use a loupe to follow the fine striations, with soft light directed from the side to explore the reflections across the face. This also offers a way to appreciate the contrast between the dark center and translucent edges.\u003c\/p\u003e\n\u003cp\u003eHandle carefully as a mineral specimen: brookite is brittle. Keep it away from direct sunlight and water, and wipe gently with a soft cloth when needed.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42031319154921,"sku":"BRK-CR-0001","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-2242.jpg?v=1636464289"},{"product_id":"ダイアスポア-クリスタル-原石","title":"Pale Pink Diaspore from Afghanistan","description":"\u003cp\u003ePale pink with a soft violet cast, this rough diaspore from Afghanistan has a flat, irregular plate-like form and an angular outline. The color deepens from the center toward the lower portion, while its translucency reveals a complex interior—suggestive of a fragment of pale pink ice.\u003c\/p\u003e\n\u003cp\u003eFine lines mark the surface, and the upper face catches a strong reflection. Soft light from the side offers a way to explore both the surface markings and the contrast between reflected light and the view within.\u003c\/p\u003e\n\u003cp\u003eJoun selected this piece because diaspore felt like an unfamiliar find in his usual encounters with minerals. He notes that, seen at dusk, it can appear reddish in a way that reminds him of ruby. This is a personal impression of its appearance in that light, rather than a fixed description of its color.\u003c\/p\u003e\n\u003cp\u003eDiaspore is an aluminium oxide hydroxide mineral with perfect cleavage. Although relatively hard, it can split along that cleavage, so this thin, plate-like piece calls for careful handling.\u003c\/p\u003e\n\u003cp\u003eKeep it out of direct sunlight and avoid washing it with water. When not on display, store it carefully in a dark place, such as a drawer.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42084523016425,"sku":"DIA-CR-0001","price":200.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-311_33be0cee-486f-4c20-a037-ec7cba512b7f.jpg?v=1639990688"},{"product_id":"スギライト-クリスタル-原石","title":"Violet Sugilite with White Granular Pattern","description":"\u003cp\u003eThis sugilite specimen from Northern Cape, South Africa, has a varied violet ground crossed by white granular markings. Near the center, a dark gray area introduces a deeper contrast, giving the mottled pattern a quiet sense of depth.\u003c\/p\u003e\n\u003cp\u003eIts rounded, irregular outline retains the fine unevenness of a natural rough surface. Small areas catch the light as the viewing angle changes, while the mixture of violet, white, and near-black gray rewards close observation.\u003c\/p\u003e\n\u003cp\u003eSugilite is a cyclosilicate mineral most often found in massive rather than well-formed crystalline material. This piece presents that character in an approachable form suited to a desk, shallow display case, or small specimen setting. Because its stability is difficult to confirm, a soft lining or suitable mineral stand may offer more secure support.\u003c\/p\u003e\n\u003cp\u003eKeep it away from strong impacts and contact with harder specimens. Remove dust gently with a soft, dry cloth or brush, and avoid washing it with water or leaving it in direct sunlight.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42084581966057,"sku":"SUG-CR-0001","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-250.jpg?v=1637243996"},{"product_id":"タンザナイト-クリスタル-原石","title":"Hydrangea Blue-Violet Tanzanite Rough from Merelani Hills","description":"\u003cp\u003eThis angular tanzanite rough has a blue-violet color that Joun compares to hydrangea petals. Slightly translucent areas interrupt the deeper color, giving the crystal a varied appearance as the viewing angle changes.\u003c\/p\u003e\n\u003cp\u003eIts substantial, tapering outline brings together flat areas resembling crystal faces and more finely textured, intricate surfaces. These contrasting structures reward close observation without distracting from the specimen’s quiet color.\u003c\/p\u003e\n\u003cp\u003eTanzanite is the blue-violet variety of zoisite. This specimen comes from the Merelani Hills in Simanjiro District, Manyara Region, Tanzania.\u003c\/p\u003e\n\u003cp\u003eTanzanite in the gem trade is commonly heated to bring forward its blue-violet tones, although the treatment status of this individual specimen is not stated. Joun often prefers materials with minimal intervention, yet finds the conventional heating of tanzanite compatible with its beauty when the result does not feel forced. This is a personal response to the material rather than a judgment about treatment in general.\u003c\/p\u003e\n\u003cp\u003eIt can be placed in a specimen case beside a desk or given a quiet corner of a shelf. After finding a stable orientation, a soft lining or small support can help present its outline and color clearly.\u003c\/p\u003e\n\u003cp\u003eKeep it away from direct sunlight to help preserve its color. Avoid routine washing; remove dust gently with a soft, dry cloth.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42243818291433,"sku":"TAN-CR-0001","price":90.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-292.jpg?v=1639988348"},{"product_id":"ルビー-クリスタル-オン-マトリクス-原石","title":"Fluorescent Ruby in White Matrix","description":"\u003cp\u003eDeep, purplish-pink ruby gathers in a white matrix, with smaller pink flecks scattered around it. Joun is drawn to the contrast between white and rose—a clear distinction that makes the ruby easy to observe within its surrounding rock.\u003c\/p\u003e\n\u003cp\u003eThe rough specimen has an uneven, blocky form, with an angular ruby exposed at the front. Some ruby faces are lustrous, catching the light in bright reflections against the matrix.\u003c\/p\u003e\n\u003cp\u003eThis piece comes from the Jegdalek ruby deposit in Surobi District, Kabul, Afghanistan. Ruby is the chromium-colored variety of corundum; here, the interest lies in observing its crystal form in matrix rather than as a cut gemstone.\u003c\/p\u003e\n\u003cp\u003eA UV light offers another way to view this specimen, revealing the ruby’s fluorescence. Keep exposure brief, and avoid directing UV light toward your eyes or skin. In ordinary light, a simple, uncluttered setting gives the white and rose-colored contrast room to stand out.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42243839492329,"sku":"RBY-CR-0001","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-2257.jpg?v=1640002155"},{"product_id":"ダイオプサイド-クリスタル-原石","title":"Yellow-Green Chrome Diopside Rough","description":"\u003cp\u003eA bright, slightly yellow-leaning green gives this rough Chrome Diopside a gentle color, with deeper green visible at the upper projection and lower portion. Partial translucency offers glimpses into a complex interior rather than a uniformly clear view.\u003c\/p\u003e\n\u003cp\u003eThe elongated, angular form is irregular, with a short projection at the top and stepped surfaces that suggest overlapping fragments of olive-colored glass. Flat planes catch the light with a noticeable gloss. Presented without matrix, the piece comes from Badakhshan, Afghanistan. Chrome Diopside is the commercial name for the chromium-bearing variety of diopside, not a separate mineral species.\u003c\/p\u003e\n\u003cp\u003eJoun notes that he was fortunate to acquire this piece when the opportunity arose. His suggested way to view it is with a gentle light from behind, comparing the translucent edges with the deeper green areas. This offers a quiet way to explore the interior while keeping the rough outline in view.\u003c\/p\u003e\n\u003cp\u003eKeep it out of direct sunlight and handle the corners gently. Diopside is brittle and has distinct cleavage, so protect it from knocks and avoid pressure on its edges.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42243847487721,"sku":"DIO-CR-0001","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-283.jpg?v=1639989053"},{"product_id":"サファイア-クリスタル-原石","title":"Rough Sapphire with Blue Flecks and Matrix","description":"\u003cp\u003eDeep blue flecks scatter across a white to pale gray ground in this rough sapphire from Pakistan. The distribution of color recalls blue ink dropped onto a shard of ice, with translucency in the pale areas and certain faces catching the light strongly.\u003c\/p\u003e\n\u003cp\u003eThe irregular form broadens at one end and extends toward the other, with angular rises and recesses across its surface. A little matrix remains attached. A yellow-brown area marks part of one side, and a faint metallic-looking detail appears near the matrix; its identity is not established.\u003c\/p\u003e\n\u003cp\u003eJoun selected this piece specifically for its rough, natural appearance rather than the refinement of a cut gemstone. To him, it has a strong presence—a way to encounter sapphire as mineral material, before the familiar language of jewelry.\u003c\/p\u003e\n\u003cp\u003eSapphire is a variety of corundum. Here, the contrast between the deep blue patches and the pale surrounding material invites close attention. A loupe offers a closer view of the boundaries between them.\u003c\/p\u003e\n\u003cp\u003eDisplay away from direct sunlight, somewhere the angular surface and scattered color can be appreciated at an unhurried pace.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42243852402921,"sku":"SPH-CR-0001","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-309.jpg?v=1639989507"},{"product_id":"ハックマナイト-クリスタル-原石-結晶","title":"Pale Lilac Hackmanite on White Matrix","description":"\u003cp\u003ePale lilac crystals overlap across a white to light grey, granular matrix in this rough hackmanite from Badakhshan, Afghanistan. The purple varies in depth, with partial translucency and bright reflections across broader crystal faces. To Joun, it suggests hackmanite emerging from a clump of snow.\u003c\/p\u003e\n\u003cp\u003eAngular faces contrast with the finer, uneven texture of the surrounding matrix. Soft light from the side offers a way to compare these surfaces, while a loupe invites closer observation of the overlapping crystals and subtle shifts in purple.\u003c\/p\u003e\n\u003cp\u003eThis specimen fluoresces under UV light, then retains a deeper body color for a while afterward. That lingering color change is tenebrescence, or reversible photochromism—the defining property of hackmanite, a variety of sodalite. It is distinct from fluorescence, which is the light emitted during UV illumination.\u003c\/p\u003e\n\u003cp\u003eJoun particularly recommends this piece for those who want to observe that difference firsthand. Keep UV sessions brief, use appropriate protective equipment, and avoid direct exposure of eyes and skin to the light.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42312769470697,"sku":"HCM-CR-0001","price":90.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-324.jpg?v=1641181556"},{"product_id":"ベラクルスアメジスト-クリスタル-原石","title":"Veracruz Amethyst Crystal in Pale Violet","description":"\u003cp\u003ePale violet deepens gently toward the tip of this slender, prismatic amethyst crystal, while the base remains lighter. Several faces taper toward the tip, and small crystals attach near the base. Its transparency suggests a column of ice with a trace of violet held within.\u003c\/p\u003e\n\u003cp\u003eBright reflections cross the crystal faces, while fine internal lines reward closer viewing. Joun particularly appreciates the delicate purple and clarity of this piece, and considers it well suited to a desk display.\u003c\/p\u003e\n\u003cp\u003eThis specimen comes from Piedra Parada, Tatatila Municipality, Veracruz, Mexico. Amethyst is the violet-to-purple variety of quartz; here, the subtle difference between tip and base gives the color its character.\u003c\/p\u003e\n\u003cp\u003eSoft side lighting brings out the elongated outline and reflections. Gentle light from behind offers another way to compare the color at either end. Keep it away from prolonged strong direct sunlight and heat, and protect the crystal tips from knocks.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42318897250537,"sku":"AME-CR-0002","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-2283.jpg?v=1641286964"},{"product_id":"ダイオプサイド-クリスタル-原石-1","title":"Yellow-Green Chrome Diopside Rough","description":"\u003cp\u003eA bright, slightly yellow-leaning green gives this rough Chrome Diopside a gentle color, with deeper green visible at the upper projection and lower portion. Partial translucency offers glimpses into a complex interior rather than a uniformly clear view.\u003c\/p\u003e\n\u003cp\u003eThe elongated, angular form is irregular, with a short projection at the top and stepped surfaces that suggest overlapping fragments of olive-colored glass. Flat planes catch the light with a noticeable gloss. Presented without matrix, the piece comes from Badakhshan, Afghanistan. Chrome Diopside is the commercial name for the chromium-bearing variety of diopside, not a separate mineral species.\u003c\/p\u003e\n\u003cp\u003eJoun notes that he was fortunate to acquire this piece when the opportunity arose. His suggested way to view it is with a gentle light from behind, comparing the translucent edges with the deeper green areas. This offers a quiet way to explore the interior while keeping the rough outline in view.\u003c\/p\u003e\n\u003cp\u003eKeep it out of direct sunlight and handle the corners gently. Diopside is brittle and has distinct cleavage, so protect it from knocks and avoid pressure on its edges.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42359477502185,"sku":"DIO-CR-0002","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-370.jpg?v=1641903137"},{"product_id":"水晶-クリスタル-原石-結晶","title":"Ice-Like Brazilian Quartz Cluster","description":"\u003cp\u003eThis Brazilian quartz cluster brings together several overlapping crystals around a prominent crystal extending laterally. Smaller pointed forms gather closely around it, preserving an irregular, sharply defined silhouette.\u003c\/p\u003e\n\u003cp\u003eCool white tones and translucent edges contrast with a cloudier center, creating an appearance reminiscent of layered ice. The glass-like luster, fine surface variations, and crystal faces catch light from changing angles without making the piece feel overly bright.\u003c\/p\u003e\n\u003cp\u003eQuartz is a crystalline form of silicon dioxide and defines 7 on the Mohs hardness scale. Its clarity and angular structure make this specimen well suited to quiet viewing on a desk or low shelf, where the crystal faces can be seen at close range.\u003c\/p\u003e\n\u003cp\u003eAlthough quartz is hard, pointed terminations and the boundaries between crystals may chip under impact. Support the specimen as a whole rather than lifting it by a crystal tip, and avoid drops or sudden temperature changes.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":42376727625961,"sku":"QUA-CR-0001","price":60.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-415.jpg?v=1642162166"},{"product_id":"エメラルド-クリスタル-オン-マトリクス-原石","title":"Panjshir Emerald Crystal on Matrix","description":"\u003cp\u003eA small green emerald crystal held in contrasting brown matrix, preserved as a natural specimen from Panjshir, Afghanistan.\u003c\/p\u003e\n\u003cp\u003eEmerald is the green variety of beryl, colored by trace amounts of chromium or, in some cases, vanadium. In this piece, the crystal remains connected to its host rock, keeping the mineral within its geological setting rather than presenting it as a cut gemstone.\u003c\/p\u003e\n\u003cp\u003eThe specimen traveled from Afghanistan to Namak Mandi, the mineral and gemstone market in Peshawar, Pakistan. In 2020, Joun selected it from the supplier’s extensive inventory. It then departed Islamabad for Japan, arriving at EARTH RIVER approximately one month later.\u003c\/p\u003e\n\u003cp\u003eIts compact scale gives this long route a quiet sense of contrast: a small mineral object carried from the Hindu Kush, through a border market, and finally into a room in Japan.\u003c\/p\u003e\n\u003ch2\u003eSpecimen Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 30 × 25 × 13 mm, including matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain crystal:\u003c\/strong\u003e Approx. 11 × 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 11.6 g, including matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Natural rough specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Panjshir, Afghanistan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":43177549136105,"sku":"EME-CR-0002","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-447.jpg?v=1654570219"},{"product_id":"エレスチャルクォーツ-原石","title":"Paredon Window Quartz Crystal","description":"\u003cp\u003eThis unpolished window quartz is almost colorless, with only a very pale yellow cast. Its elongated crystal outline narrows toward both ends, while overlapping diagonal faces give the form a quiet geometric rhythm.\u003c\/p\u003e\n\u003cp\u003eInside, irregular fine lines scatter the light into shifting reflections. These can appear whitish in photographs, but Joun notes that the specimen has a more complex transparency in person, with a delicate sparkle that emerges as the viewing angle changes.\u003c\/p\u003e\n\u003cp\u003eThe broad crystal faces reflect light strongly, revealing parallel surface striations. View it under soft directional light to move between the face reflections and internal detail, or place a gentle light behind it to observe the layered lines within the clearer areas.\u003c\/p\u003e\n\u003cp\u003eQuartz is composed of silica, or silicon dioxide. This natural crystal comes from Paredon in Ramos Arizpe Municipality, Coahuila, Mexico, and retains its unpolished surface.\u003c\/p\u003e\n\u003cp\u003eFor care, avoid allowing water to settle in its fine openings.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":43177568698601,"sku":"ELQ-CR-0001","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-443.jpg?v=1654571018"},{"product_id":"ヒマラヤ水晶-ガネーシュヒマール産-原石","title":"Raw Ganesh Himal Quartz - Himalayas","description":"\u003cp\u003eA compact quartz specimen with strong light transmission and a quiet sense of presence. To Joun’s eye, no chlorite inclusions are visible; the clarity itself is the central attraction.\u003c\/p\u003e\n\u003cp\u003eJoun acquired this piece through a local Japanese shop, directly from a Nepali or Japanese supplier with close connections to the Himalayan source region—an approach he considers one of the most reliable ways to select high-quality Himalayan quartz.\u003c\/p\u003e\n\u003cp\u003eJoun recommends viewing it against a dark-toned surface, where its transparency becomes more distinct. Place it on a protective cloth or suitable display support rather than directly on a tabletop to help protect the base.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":44611990880489,"sku":"HMQ-CR-0003","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/products\/earth-river-crystal-499.jpg?v=1681701622"},{"product_id":"ファーデンクォーツ-原石","title":"Layered Faden Quartz","description":"\u003cp\u003eThis natural quartz specimen has the appearance of several plate-like sections joined together, creating a layered, architectural form. A pale line can be seen near the center—the characteristic thread-like structure that gives Faden Quartz its name.\u003c\/p\u003e\n\u003cp\u003e“Faden” is the German word for thread. The internal line forms through repeated fracture opening and quartz regrowth, preserving part of the crystal’s formation history within the material itself.\u003c\/p\u003e\n\u003cp\u003eJoun considers this one of his favorite forms of quartz and is particularly drawn to its stylish, naturally composed appearance. It can be enjoyed as a small work of natural art in many parts of a room.\u003c\/p\u003e\n\u003cp\u003eDirectional or transmitted light may make the central structure easier to observe. As quartz can chip along projecting edges, handle the specimen carefully and place it on a stable display surface.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":44875495702761,"sku":"FAD-CR-0001","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/FAD-CR-0001-4.jpg?v=1699802624"},{"product_id":"スカルドゥ水晶-原石","title":"Raw Quartz Crystal - Skardu","description":"\u003cp\u003eThis compact quartz crystal remains unpolished, preserving its natural surface while revealing a notably transparent interior.\u003c\/p\u003e\n\u003cp\u003eIt reflects light readily and can appear whiter in photographs. Joun notes that its clarity is more apparent in person, especially as the viewing angle changes.\u003c\/p\u003e\n\u003cp\u003eThe specimen is from Skardu District in Gilgit-Baltistan, Pakistan. Quartz is composed of silicon dioxide and is valued here not for ornamentation, but for the directness of its natural crystalline form.\u003c\/p\u003e\n\u003cp\u003eThis is a piece to appreciate in the palm, where its transparency and shifting reflections can be observed at close range.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":44970798743785,"sku":"SKR-CR-0001","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/SKR-CR-0001-5.jpg?v=1699612968"},{"product_id":"ザギ水晶-原石-ルチル内包","title":"Rutile-Included Smoky Quartz Rough","description":"\u003cp\u003eThis unpolished smoky quartz contains rutile inclusions, bringing two distinct mineral characters together within a single piece. Its rough form keeps the material close to its original state rather than refining it into a polished object.\u003c\/p\u003e\n\u003cp\u003eQuartz is composed of silicon dioxide and often develops a different expression according to its geological setting. Joun finds this regional variation particularly interesting: quartz specimens from several localities can be placed together and appreciated through their contrasts.\u003c\/p\u003e\n\u003cp\u003eA considered natural object for a desk, shelf, or mineral cabinet, especially as part of a broader study of included quartz.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":45997310083305,"sku":"ZAG-CR-0001","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/ZAG-CR-0001-1.jpg?v=1699801097"},{"product_id":"ガネーシュヒマール産ヒマラヤ水晶-原石","title":"Raw Ganesh Himal Quartz - Himalayas","description":"\u003cp\u003eA compact quartz specimen with strong light transmission and a quiet sense of presence. To Joun’s eye, no chlorite inclusions are visible; the clarity itself is the central attraction.\u003c\/p\u003e\n\u003cp\u003eJoun acquired this piece through a local Japanese shop, directly from a Nepali or Japanese supplier with close connections to the Himalayan source region—an approach he considers one of the most reliable ways to select high-quality Himalayan quartz.\u003c\/p\u003e\n\u003cp\u003eJoun recommends viewing it against a dark-toned surface, where its transparency becomes more distinct. Place it on a protective cloth or suitable display support rather than directly on a tabletop to help protect the base.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":45997584253161,"sku":"HMG-CR-0002","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/HMG-CR-0002-1.jpg?v=1699800631"},{"product_id":"キングマンターコイズ-原石","title":"Kingman Turquoise in Matrix - Arizona","description":"\u003cp\u003eThis piece of Kingman turquoise remains joined to its host rock, preserving the character of material taken directly from its geological setting. Joun notes that its color leans toward light blue rather than the greener tones also associated with Kingman material.\u003c\/p\u003e\n\u003cp\u003eKingman turquoise comes from the Mineral Park mining area of northwestern Arizona. Turquoise is a hydrated copper-aluminum phosphate that forms as a secondary mineral in the weathered portions of copper-bearing deposits.\u003c\/p\u003e\n\u003cp\u003eThe specimen was acquired around 2020 from Native American sellers in the United States and was represented as part of their older stock. It was supplied as natural Kingman turquoise; its precise mining date and treatment history are not documented.\u003c\/p\u003e\n\u003cp\u003eThe meeting of turquoise and matrix gives the piece an unrefined, geological presence suited to a quiet shelf or mineral display.\u003c\/p\u003e\n\u003ch3\u003eCare\u003c\/h3\u003e\n\u003cp\u003eHandle gently and avoid water, prolonged sunlight, oils, cosmetics, and household chemicals. To reduce contact with skin oils, hold and move the specimen with a clean, soft cloth.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":46019878551785,"sku":"TUK-CR-0001","price":70.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/TUK-CR-0001-6.jpg?v=1700052791"},{"product_id":"ガネーシュヒマール産ヒマラヤ水晶-原石-1","title":"Raw Ganesh Himal Quartz - Himalayas","description":"\u003cp\u003eJoun’s first impression was the specimen’s remarkable transparency. Although highly clear, the quartz carries a very slight smoky cast; placing it on white paper makes its subtle tone easier to recognize.\u003c\/p\u003e\n\u003cp\u003eThe crystal is unpolished, preserving its natural surfaces and fine, barcode-like growth lines. These details are especially rewarding under side lighting.\u003c\/p\u003e\n\u003cp\u003eFor display, place it on a dark board or cloth and illuminate it from above. Light passes through toward the contact area, creating a quiet contrast between the clear interior and the darker surface beneath.\u003c\/p\u003e\n\u003ch3\u003eHandling\u003c\/h3\u003e\n\u003cp\u003eThe termination and base have sharp areas. When moving the specimen, hold it by the broader faces or edges rather than the pointed sections.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 62 × 24 × 21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 39 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Natural, unpolished specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Ganesh Himal, Nepal\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":46026456301801,"sku":"HMG-CR-0003","price":90.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/HMG-CR-0003-1.jpg?v=1700234457"},{"product_id":"トパーズ-原石-スカルドゥ産","title":"Skardu Champagne Topaz Crystal","description":"\u003cp\u003eThis topaz crystal has a restrained champagne tone poised between orange and brown. A trace of white matrix remains on the base, preserving a quiet connection to the material in which it formed.\u003c\/p\u003e\n\u003cp\u003eFrom Skardu District in Gilgit-Baltistan, Pakistan, the piece was selected for the way light refracts and diffuses through its interior. Joun recommends viewing it slowly as the light shifts, revealing changes that are easy to miss at first glance.\u003c\/p\u003e\n\u003cp\u003eTo Joun, the crystal suggests something formed quietly at high altitude. It works well in a specimen case or protective display box, where its internal light can remain the focus.\u003c\/p\u003e\n\u003ch3\u003eCare\u003c\/h3\u003e\n\u003cp\u003eTopaz is hard but has distinct cleavage, making it vulnerable to impact. Handle gently, avoid direct sunlight, and keep it protected when not on display.\u003c\/p\u003e","brand":"EARTH RIVER","offers":[{"title":"Default Title","offer_id":46047342493929,"sku":"TPZ-CR-0001","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/1516\/5161\/files\/TPZ-CR-0001-1.jpg?v=1700397177"}],"url":"https:\/\/earth-river.store\/collections\/rough-formless.oembed?page=2","provider":"EARTH RIVER","version":"1.0","type":"link"}