{"product_id":"manganese-oxide-on-calcite","title":"Manganese Oxide on Calcite","description":"\u003cp\u003e*from the Magma Mine, Superior, Arizona\u003cbr\u003e*40 x 30 x 12 mm overall\u003c\/p\u003e\n\u003cp\u003eA dense black coating covering some calcite crystals. \u003c\/p\u003e","brand":"Rock On! Minerals","offers":[{"title":"Default Title","offer_id":52179532316961,"sku":"0374","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/7710\/6977\/files\/IMG_4044.jpg?v=1767037004","url":"https:\/\/rockon-minerals.com\/products\/manganese-oxide-on-calcite","provider":"Rock On! Minerals","version":"1.0","type":"link"}