{"product_id":"cassiterite-25","title":"CASSITERITE","description":"A roughly 3 x 1.5 cm area of nicely crystallised Cassiterite crystals on a mid-grey killas matrix, from the St. Agnes mining district on the north Cornwall coast, due north of Redruth.  The Cassiterite forms opaque black crystals with a bright metallic lustre and of up to 9 mm across.  A good reference Cassiterite for the St. Agnes district.  ","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":46584043339951,"sku":"CC12870","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/8516\/2671\/files\/CC12870.png?v=1771841144","url":"https:\/\/crystalclassics.com\/products\/cassiterite-25","provider":"Crystal Classics","version":"1.0","type":"link"}