{"title":"Uncommon Minerals","description":"\u003cp\u003eUncommon Minerals showcases rare and specialty mineral specimens that fall outside standard species categories such as quartz, calcite, and fluorite. This collection features unusual chemistry, distinctive crystal habits, and exceptional global localities including Colombia, India, the Congo, and the United States. Ideal for collectors seeking material that breaks away from traditional classifications, these pieces emphasize rarity, geological uniqueness, and visual impact beyond mainstream mineral types.\u003c\/p\u003e","products":[{"product_id":"52g-dioptase-on-calcite-specimen-mindouli-republic-of-the-congo-70mm","title":"52 g Dioptase on Calcite Specimen – Mindouli, Republic of the Congo – 70 mm","description":"\u003cp data-start=\"529\" data-end=\"844\"\u003eThis dioptase specimen from the Mindouli District in the Republic of the Congo displays intense teal-green crystals sharply contrasted against sparkling white calcite druses. Copper-rich dioptase prisms rise in well-defined crystal form, their gemlike luster glowing with rich internal saturation across the matrix.\u003c\/p\u003e\n\u003cp data-start=\"846\" data-end=\"1167\"\u003eAs the specimen shifts under light, the calcite scatters soft reflections that enhance the depth and brilliance of the dioptase beneath. The vivid green and crisp white pairing creates a dynamic three-dimensional visual balance, with each viewing angle revealing new textures and reflective highlights across the surface.\u003c\/p\u003e\n\u003cp data-start=\"1169\" data-end=\"1247\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1180\"\u003eWeight:\u003c\/strong\u003e 52 g (1.83 oz)\u003cbr data-start=\"1195\" data-end=\"1198\"\u003e\u003cstrong data-start=\"1198\" data-end=\"1207\"\u003eSize:\u003c\/strong\u003e 70 × 45 × 25 mm (2.76 × 1.77 × 0.98 in)\u003c\/p\u003e\n\u003cp data-start=\"1249\" data-end=\"1448\"\u003eA meaningful addition for collectors who value Central African dioptase for its exceptional color saturation, sharp crystal definition, and the elegant visual contrast created by calcite association.\u003c\/p\u003e","brand":"Opal \u0026 Emerald Co.","offers":[{"title":"Default Title","offer_id":47404883017983,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/9292\/1087\/files\/74d4c20f-77cf-4e27-b3f7-c0bf420200e9.jpg?v=1761268672"},{"product_id":"72g-native-sulfur-specimen-maybee-quarry-michigan-usa-70mm","title":"72 g Native Sulfur Specimen – Maybee Quarry, Michigan, USA – 70 mm","description":"\u003cp data-start=\"559\" data-end=\"868\"\u003eThis native sulfur specimen glows with an intense lemon-yellow hue, displaying strong natural translucence and a soft, waxy luster that captures light from every angle. The surface reveals a dynamic texture of crystalline growth, giving the piece a sculptural, organic presence that immediately draws the eye.\u003c\/p\u003e\n\u003cp data-start=\"870\" data-end=\"1189\"\u003eAs the specimen shifts under light, the saturated yellow coloration remains rich and even across the crystal surfaces, a hallmark of high-quality sulfur from the historic Maybee Quarry in Michigan. The lively crystal habit and balanced proportions give the piece both strong visual impact and classic mineral character.\u003c\/p\u003e\n\u003cp data-start=\"1191\" data-end=\"1269\"\u003e\u003cstrong data-start=\"1191\" data-end=\"1202\"\u003eWeight:\u003c\/strong\u003e 72 g (2.54 oz)\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1229\"\u003eSize:\u003c\/strong\u003e 70 × 54 × 24 mm (2.76 × 2.13 × 0.94 in)\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1430\"\u003eA meaningful addition for collectors who value native sulfur for its vivid color, sedimentary evaporite origin, and iconic status in North American mineralogy.\u003c\/p\u003e","brand":"Opal \u0026 Emerald Co.","offers":[{"title":"Default Title","offer_id":47404886491391,"sku":null,"price":255.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/9292\/1087\/files\/551376da-6bfe-454a-98c1-c468a15e9fcd.jpg?v=1761268752"},{"product_id":"360g-apophyllite-with-celadonite-specimen-sakur-india-82mm","title":"360 g Apophyllite with Celadonite Specimen – Sakur, India – 82 mm","description":"\u003cp data-start=\"540\" data-end=\"858\"\u003eTeal-green apophyllite crystals rise in sharp, lustrous prisms across this striking specimen from Sakur in Maharashtra, India. Delicate celadonite inclusions tint the otherwise water-clear apophyllite with soothing sea-green to bluish-teal hues, producing a rare and visually cohesive color palette across the cluster.\u003c\/p\u003e\n\u003cp data-start=\"860\" data-end=\"1187\"\u003eAs the specimen shifts under light, transparent terminations refract soft flashes through the crystal bodies while the darker basaltic matrix beneath provides dimensional contrast. The result is a balanced interplay of clarity, color, and structure that captures the signature aesthetic of Deccan Traps zeolitic mineralization.\u003c\/p\u003e\n\u003cp data-start=\"1189\" data-end=\"1269\"\u003e\u003cstrong data-start=\"1189\" data-end=\"1200\"\u003eWeight:\u003c\/strong\u003e 360 g (12.70 oz)\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1229\"\u003eSize:\u003c\/strong\u003e 82 × 77 × 74 mm (3.23 × 3.03 × 2.91 in)\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1477\"\u003eA meaningful addition for collectors who value Indian apophyllite for its pristine crystal form, rare celadonite coloration, and classic basalt-hosted zeolite associations from the Deccan volcanic province.\u003c\/p\u003e","brand":"Opal \u0026 Emerald Co.","offers":[{"title":"Default Title","offer_id":47404887245055,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/9292\/1087\/files\/c89275f7-e1c7-423e-a4df-4f26ac31cb8c.jpg?v=1761268772"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/9292\/1087\/collections\/74d4c20f-77cf-4e27-b3f7-c0bf420200e9.jpg?v=1764642087","url":"https:\/\/opalandemerald.com\/collections\/uncommon-minerals.oembed","provider":"Opal \u0026 Emerald Co.","version":"1.0","type":"link"}