{"product_id":"ettringite-with-calcite","title":"ETTRINGITE with CALCITE","description":"A choice and highly aesthetic specimen with two hexagonal, acidic lemon-yellow Ettringite crystals to 1.7 and 1.8 cm long, perched either end of a well crystallised group of Calcite crystals.  Ettringite is a hydrous calcium aluminium sulphate and the crystals on this miniature grade from translucent outer shells with a glassy to satin lustre, to inner, opaque pale lemon-white cores.  The slightly longer crystal has no terminations whereas the smaller has one well terminated end.  A classic Ettringite from the N'Chwaning mines at Kuruman in the Kalahari Manganese Field of Northern Cape Province, South Africa.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":46543020818607,"sku":"CC12302","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/8516\/2671\/files\/CC12302.png?v=1770302950","url":"https:\/\/crystalclassics.com\/products\/ettringite-with-calcite","provider":"Crystal Classics","version":"1.0","type":"link"}