{"product_id":"tantalite-hill-city-mining-district-pennington-county-south-dakota-usa-copy","title":"Tantalite– Mexico- Two-Specimen Parcel","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eTantalite\u003cbr\u003eMexico- Two-Specimen Parcel\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eDimensions: Approximately 0.5–1.0 cm each\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eProvenance: \u003cmeta charset=\"utf-8\"\u003eOlder collection specimens; original catalog label No. 255 included.\u003cbr\u003eCollector Note: \u003cmeta charset=\"utf-8\"\u003e“Tantalite” is now a group\/series-style historical name rather than an approved individual IMA species; determining whether this is closer to Tantalite-(Fe), Tantalite-(Mn), or another columbite-group composition would require analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eA pair of older Mexican Tantalite specimens consisting of small, dense brownish-black to nearly black crystals with blocky to somewhat rounded forms. Both show portions of striated crystalline surfaces and a subdued submetallic to resinous luster, with the larger specimen retaining patches of pale tan pegmatitic matrix. An unusual old locality pair accompanied by its original collection label, which specifically notes the material as “rare.”\u003cbr\u003e\u003c\/p\u003e","brand":"The Crystalary","offers":[{"title":"Default Title","offer_id":48197064687747,"sku":"berry-dwr7-1of2-255","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0390\/4634\/8931\/files\/IMG_9788.jpg?v=1789334627","url":"https:\/\/www.thecrystalary.com\/products\/tantalite-hill-city-mining-district-pennington-county-south-dakota-usa-copy","provider":"The Crystalary","version":"1.0","type":"link"}