{"product_id":"ammolite-negative-cap-slab-cgss7","title":"Ammolite Negative Cap Slab - CGSS7","description":"\u003cp\u003eFlat slab of ammolite negative cap, from the Bearpaw Formation of Southern Alberta. Deep red and pink cover the centre in a fine crackle pattern, ringed by a band of orange, yellow and green around the edge, all on dark natural shale.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is negative cap?\u003c\/strong\u003e When an ammonite shell split from the rock around it, part of the ammolite layer sometimes stayed stuck to the rock instead of the shell. That piece is called negative cap: genuine ammolite on its natural shale, showing the colour from the inside of the shell.\u003c\/p\u003e\u003cp\u003eThis slab is one half of a matching pair. Its partner is listed as CGSS8.\u003c\/p\u003e","brand":"Coulee Gems","offers":[{"title":"Default Title","offer_id":67974392381653,"sku":"CGSS7","price":280.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1269\/5509\/files\/82454097-1e7c-4979-ba23-d9ff4aab6417.png?v=1792899204","url":"https:\/\/couleegems.com\/products\/ammolite-negative-cap-slab-cgss7","provider":"Coulee Gems","version":"1.0","type":"link"}