{"product_id":"melanovanadite-minas-ragra-peru-type-locality-copy","title":"Iridescent Anthracite “Peacock Coal”- Pottsville, Pennsylvania","description":"\u003cp\u003eIridescent Anthracite “Peacock Coal”\u003cbr\u003ePottsville, Pennsylvania\u003cbr\u003eDimensions: 7.3 x 1.8 x 0.5 cm\u003c\/p\u003e\n\u003cp\u003eComes with old label. \u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eA remarkably colorful vintage example of iridescent anthracite, traditionally known as “Peacock Coal,” from Pottsville, Pennsylvania. The elongated piece retains broad reflective surfaces that shift through saturated blue, violet, bronze, gold, and subtle rose under direct light, creating a striking contrast against the coal's otherwise deep black body.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePeacock coal is not a distinct mineral species or coal rank, but a descriptive name for anthracite displaying an iridescent surface effect associated with oxidation. Pennsylvania's historic anthracite fields are particularly well known for examples of this phenomenon, making the Pottsville provenance especially appropriate.\u003c\/p\u003e","brand":"The Crystalary","offers":[{"title":"Default Title","offer_id":47924607778947,"sku":"barry329-dr1-1of3","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0390\/4634\/8931\/files\/IMG_54082.jpg?v=1787111676","url":"https:\/\/www.thecrystalary.com\/products\/melanovanadite-minas-ragra-peru-type-locality-copy","provider":"The Crystalary","version":"1.0","type":"link"}