{"product_id":"covellite-east-colusa-mine-butte-mining-district-silver-bow-county-montana-usa","title":"Covellite- East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA","description":"\u003cp\u003eCovellite\u003cbr\u003eEast Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eDimensions: 4.3 x 3.8 x 2.1 cm\u003cbr\u003eComes with original collection tag\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eA richly iridescent example of covellite from one of the classic American localities for the species, this old Butte specimen carries broad, foliated aggregates of metallic covellite across a contrasting pale matrix. Under direct light, the otherwise dark material erupts into saturated indigo blue, violet, electric blue, and flashes of magenta, emphasizing the layered, almost feathered structure of the mineral.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe East Colusa Mine belongs to Montana's historic Butte Mining District, one of the country's great copper-producing regions and a particularly important locality for collectible covellite. Butte material is well known for brilliant metallic, platy covellite, including specimens from East Colusa displaying the same characteristic blue-to-purple iridescence seen here.\u003c\/p\u003e","brand":"The Crystalary","offers":[{"title":"Default Title","offer_id":47867009007747,"sku":"barry368-dr1-2of3","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0390\/4634\/8931\/files\/IMG_4351.jpg?v=1786678238","url":"https:\/\/www.thecrystalary.com\/products\/covellite-east-colusa-mine-butte-mining-district-silver-bow-county-montana-usa","provider":"The Crystalary","version":"1.0","type":"link"}