{"title":"Thumbnail","description":null,"products":[{"product_id":"mn0077-ilmenite","title":"Ilmenite","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434142437466,"sku":"MN0077","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/A77_Ilmenite_Namibia_-_Edited_03decabd-9bce-4071-a58b-4ca0c92700f1.jpg?v=1765500181"},{"product_id":"mn0093-dioptase","title":"Dioptase","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434143092826,"sku":"MN0093","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/A93_Dioptase_The_Congo_3_-_Edited_1d4d2a0e-d0a8-444c-8647-222ed21787bb.jpg?v=1765500197"},{"product_id":"mn0113-tourmaline","title":"Tourmaline","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434143944794,"sku":"MN0113","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0113-Tourmaline-Brazil-_70-MF_5_-_Edited_98c293a0-a8c1-4634-bcd8-4307d9f7a4c6.jpg?v=1765500215"},{"product_id":"mn0079-rhodochrosite-tn","title":"Rhodochrosite (Tn)","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146369626,"sku":"MN0079","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0079-Rhodochrosite-Colorado-_250_7_-_Edited_da4b9c4e-815d-4e82-b1a4-5c453b1b1eeb.jpg?v=1765500184"},{"product_id":"mn0126-rhodochrosite","title":"Rhodochrosite","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146467930,"sku":"MN0126","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0126-Rhodocrosite-Colorado-_90_-_Edited_5f27e1b0-34ba-4fca-80b9-a50ead154dd2.jpg?v=1765500225"},{"product_id":"mn0127-rhodochrosite","title":"Rhodochrosite","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146500698,"sku":"MN0127","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0127-Rhodocrosite-Colorado-_225_3_-_Edited_b5e6f665-2481-4afa-a7ac-a3cfbbabb9bc.jpg?v=1765500226"},{"product_id":"mn0128-azurite-malachite","title":"Azurite and Malachite","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146533466,"sku":"MN0128","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0128-Azurite_and_Malachite-Utah-_36_4_-_Edited_04a3abd3-9047-49e3-b060-e952bf1f1b10.jpg?v=1765500228"},{"product_id":"mn0129-chrysocolla","title":"Chrysocolla","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146566234,"sku":"MN0129","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0129-Chrysocolla-Arizona-_20_3_-_Edited_6fb3f392-35d8-42f5-9f95-29a23be1733e.jpg?v=1765500229"},{"product_id":"mn0131-dioptase","title":"Dioptase","description":"","brand":"MF","offers":[{"title":"Default Title","offer_id":42434146631770,"sku":"MN0131","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0131-Dioptase-Tsumeb-_120HEIC_-_Edited_59218ec5-b629-4165-bd61-d27c99570e60.jpg?v=1765500247"},{"product_id":"tourmaline","title":"Tourmaline","description":"\u003cp data-start=\"74\" data-end=\"444\"\u003eThis tourmaline formed within granitic pegmatites deep beneath the hills of eastern Congo, where slow-cooling magma's created ideal conditions for large, gemmy crystals to grow. In recent years, the Rubaya district has become known among collectors for producing striking multi-colored tourmaline's with sharp, complex terminations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"446\" data-end=\"722\"\u003eRecovered from one of Africa’s most mineral-rich regions, this specimen represents both the remarkable crystal-forming power of pegmatites and a locality that continues to yield some of the finest contemporary tourmaline's on the market.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43135631884378,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/mn0287-Tourmaline_10_-Edited.jpg?v=1774555418"},{"product_id":"limonite-pseudo-after-pyrite","title":"Limonite pseudo after Pyrite","description":"\u003cp data-start=\"73\" data-end=\"363\"\u003eThis specimen began as pyrite, later altered by oxygen-rich waters that replaced the original crystal with limonite while preserving its form—a classic pseudomorph. Such transformations occur in the oxidized zone, where original minerals are slowly changed but their shapes remain intact.\u003c\/p\u003e\n\u003cp data-start=\"365\" data-end=\"573\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eEarthy in tone yet sharply defined, this piece captures a moment of mineral replacement, preserving the structure of pyrite while revealing the effects of time and weathering in the soils of North Carolina.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43176022376538,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0294-LimonitepseudoafterPyrite-NorthCarolina-_15_14_-Edited.jpg?v=1775243742"},{"product_id":"amethyst-scepters","title":"Amethyst Scepters","description":"\u003cp data-start=\"59\" data-end=\"476\"\u003eThese amethyst scepters formed through a rare two-stage crystal growth process deep within mineral-rich cavities. An initial quartz crystal first developed under stable conditions, creating the slender “stem.” Later, changing chemistry and temperature introduced a second phase of growth, depositing a broader cap of richly colored amethyst over the original crystal tip and producing the distinctive scepter shape.\u003c\/p\u003e\n\u003cp data-start=\"478\" data-end=\"800\"\u003eThe purple coloration comes from trace amounts of iron within the quartz structure combined with natural irradiation over long periods of time. Madagascar, particularly the Majahunga region, is known for producing especially elegant scepter formations with strong color zoning, sharp terminations, and excellent clarity.\u003c\/p\u003e\n\u003cp data-start=\"802\" data-end=\"990\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNaturally sculptural and highly collectible, these crystals preserve a visible record of changing geological conditions—capturing two separate moments of growth within a single specimen.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43376047489114,"sku":null,"price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0362-AmethystScepters-Majahunga_Madagascar-_50_6_-Edited.jpg?v=1778778076"},{"product_id":"lavender-chalcedony-1","title":"Lavender Chalcedony","description":"\u003cp data-start=\"1435\" data-end=\"1744\"\u003eKnown for its unusually soft purple tones, this lavender chalcedony developed as silica-rich solutions slowly filled cavities within volcanic rock across West Sulawesi. Over time, microscopic quartz fibers compacted together to create the smooth texture and gentle translucency characteristic of chalcedony.\u003c\/p\u003e\n\u003cp data-start=\"1746\" data-end=\"2066\"\u003eMaterial from the Mamuju Regency has become especially desirable among collectors due to its rare pastel coloration and glowing appearance, qualities seldom seen in chalcedony from other regions. Subtle mineral inclusions and shifting chemical conditions during formation gave each piece its own unique depth and tone.\u003c\/p\u003e\n\u003cp data-start=\"2068\" data-end=\"2242\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eCalm, luminous, and naturally elegant, this specimen showcases the quieter side of volcanic mineral formation while highlighting the unique beauty of Indonesian chalcedony.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43391878430810,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0373-LavenderChalcedony-Indonesia-_180_1_-Edited.jpg?v=1779146910"},{"product_id":"fluorite-2","title":"Fluorite","description":"\u003cp data-start=\"55\" data-end=\"407\"\u003eCollected from the historic fluorite workings near Valzergues in southern France, this specimen formed as heated underground waters slowly moved through fractures in the surrounding rock. Over long periods of time, these circulating mineral solutions cooled and crystallized into the sharply defined fluorite structures for which the region is known.\u003c\/p\u003e\n\u003cp data-start=\"409\" data-end=\"706\"\u003eFluorite from Aveyron is often appreciated for its clarity, delicate color zoning, and well-balanced crystal form. Variations in trace elements and natural radiation during growth produced the subtle hues and internal depth visible within the crystals, giving each specimen a distinct character.\u003c\/p\u003e\n\u003cp data-start=\"708\" data-end=\"852\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eElegant and geometric, this piece reflects the quiet precision of crystal growth preserved within one of France’s classic fluorite localities.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43391887310938,"sku":null,"price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0374-Fluorite-France-_115_7_-Edited.jpg?v=1779147226"},{"product_id":"tourmaline-1","title":"Tourmaline","description":"\u003cp data-start=\"25\" data-end=\"378\"\u003eFormed deep within granitic pegmatites, this tourmaline crystallized during the final stages of magma cooling as mineral-rich pockets allowed large, well-structured crystals to develop over long periods of time. Brazil is one of the world’s most famous sources of tourmaline, producing specimens in an extraordinary range of colors and crystal habits.\u003c\/p\u003e\n\u003cp data-start=\"380\" data-end=\"727\"\u003eThe elongated prismatic structure of tourmaline reflects its complex chemistry, with trace elements influencing the crystal’s coloration during growth. Brazilian material is especially prized for its clarity, vibrant saturation, and dramatic natural formations that often occur alongside quartz, feldspar, and mica within pegmatite environments.\u003c\/p\u003e\n\u003cp data-start=\"729\" data-end=\"911\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eElegant, deeply colored, and naturally sculptural, this specimen highlights the remarkable crystal growth conditions that have made Brazilian tourmaline legendary among collectors.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43414922559578,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0386-Tourmaline-Brazil-_225_3_-Edited.jpg?v=1779730236"},{"product_id":"copper","title":"Copper","description":"\u003cp data-start=\"51\" data-end=\"315\"\u003eThis native copper comes from the Ray Mine, one of Arizona’s largest and longest-producing copper mines. Located in Pinal County, the deposit has been an important source of copper since the early 1900s and is part of the region’s extensive porphyry copper belt. Arizona is often referred to as the \"Copper State\" due to its abundant copper resources, and the Ray Mine has played a significant role in that history.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43438307835994,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0410-Copper-KennecottMine-Arizona-_200-Edited.jpg?v=1780265275"},{"product_id":"chrysocolla-after-azurite","title":"Chrysocolla After Azurite","description":"\u003cp\u003eThis specimen comes from the Silica Pit near Ray, Arizona, a locality known for producing a variety of colorful secondary copper minerals. The area is part of Arizona’s famous copper mining region and has yielded many examples of mineral replacement and alteration. The Silica Pit is particularly noted for these unusual copper mineral associations, making specimens from the locality valuable records of the region’s complex mineral history.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43441022369882,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0414-ChrysocollaafterAzurite-SilicaPit-Arizona-_250-Edited_2.jpg?v=1780340120"},{"product_id":"aurichalcite-2","title":"Aurichalcite","description":"\u003cp\u003eThis aurichalcite comes from the 79 Mine in Gila County, one of Arizona’s known localities for secondary zinc and copper minerals. The mine has produced a wide variety of colorful species and is particularly recognized for its blue-green aurichalcite.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43441355423834,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0415-Aurichalcite-79Mine-Arizona-_140-Edited_8.jpg?v=1780354852"},{"product_id":"amethyst-2","title":"Amethyst","description":"\u003cp\u003eThis amethyst comes from the Boekenhouthoek area, located northeast of Pretoria in South Africa. The locality is known for producing quartz crystals from volcanic and hydrothermal environments, including attractive purple amethyst specimens.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43441433706586,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0423-Amethyst_CactusQuartz_-SouthAfrica-_45-Edited.jpg?v=1780360566"},{"product_id":"pyrrhotite","title":"Pyrrhotite","description":"\u003cp data-start=\"67\" data-end=\"312\"\u003eThe El Potosí Mine is part of the Santa Eulalia mining district, one of Mexico's important lead-zinc-silver regions. Mining in the area dates back to the 1700s, and the district is well known for producing a wide variety of mineral species such as galena, sphalerite, fluorite, and calcite, reflecting the district's complex mineralogy and long mining history.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43441439440986,"sku":null,"price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/IMG_2650-Edited.jpg?v=1780361463"},{"product_id":"euchroite","title":"Euchroite","description":"\u003cp data-start=\"68\" data-end=\"325\"\u003eLibethen is a historic mining district in present-day Slovakia (formerly part of the Kingdom of Hungary), known for its copper mineral occurrences. The area is especially famous as the type locality for several copper phosphates, including libethenite.\u003c\/p\u003e\n\u003cp data-start=\"611\" data-end=\"764\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eSpecimens labeled from Libethen reflect the historic mining district that contributed many important copper mineral discoveries in European mineralogy.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43456680034394,"sku":null,"price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0440-Euchroite-Hungary-_400-Edited_5.jpg?v=1780701414"},{"product_id":"welo-opal","title":"Welo Opal","description":"\u003cp\u003eThis opal comes from the Welo opal fields of northern Ethiopia, one of the world’s best-known opal localities. The region became widely known for producing gem-quality opal with strong color play and a wide range of patterns.\u003c\/p\u003e","brand":"MF","offers":[{"title":"Default Title","offer_id":43514476527706,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0445-WeloOpal-Ethiopia-_100-Edited.jpg?v=1781713566"},{"product_id":"pink-fluorite-with-chlorite","title":"Pink Fluorite with Chlorite","description":"\u003cp data-start=\"70\" data-end=\"283\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Argentière Glacier is located in the Mont Blanc Massif, one of Europe's famous alpine mineral localities. For generations, local crystal hunters have recovered minerals from cracks exposed by the glacier.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"285\" data-end=\"530\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePink fluorite from this area is uncommon and is often found with smoky quartz and other alpine minerals. Specimens from the Mont Blanc region are known for their natural crystal quality and the challenging conditions required to collect them.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43696277684314,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/IMG_3205-Edited.jpg?v=1784662077"},{"product_id":"pyrite-1","title":"Pyrite","description":"\u003cp data-start=\"57\" data-end=\"286\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Silver King Mine was one of Utah's richest silver producers during the late 1800s and helped establish the Park City mining district. In addition to silver, the mine produced lead, zinc, and iron sulfide minerals like pyrite.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43728099246170,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0467-Pyrite-Utah-_25-Edited_3.jpg?v=1784917238"},{"product_id":"rhodochrosite-2","title":"Rhodochrosite","description":"\u003cp data-start=\"52\" data-end=\"283\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Emma Mine is part of the Butte Mining District, one of the largest historic copper mining regions in the United States. Butte has produced thousands of tons of copper, silver, zinc, and other metals since the late 1800s.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43728141058138,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0468-Rhodochrosite-Montana-_80-Edited_4.jpg?v=1784917431"},{"product_id":"azurite-1","title":"Azurite","description":"\u003cp data-start=\"53\" data-end=\"235\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Tsumeb Mine is one of the world's most famous mineral localities and has produced over 300 identified mineral species. It is especially known for its exceptional copper minerals.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"455\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAzurite from Tsumeb is prized for its deep blue crystals and is often found with malachite, cerussite, and other secondary copper minerals. Everybody loves a Tsumeb piece!\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43728192536666,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0470-Azurite-Namibia-_250-Edited_1.jpg?v=1784917861"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/collections\/MN0470-Azurite-Namibia-_250-Edited_4.jpg?v=1784999888","url":"https:\/\/themineralnexus.com\/collections\/thumbnail.oembed","provider":"Mineral Nexus","version":"1.0","type":"link"}