{"product_id":"hausmannite-3","title":"HAUSMANNITE","description":"Wow!  This is one amazing Hausmannite from the famous N'Chwaning mines at Kuruman in the Kalahari Manganese Field.  This large cabinet specimen measures almost 18 x 11 cm and forms a flat-bed composed entirely of Hausmannite, whose top display surface is a complete carpet of perfectly formed large crystals.  Hausmannite is a manganese oxide and on this specimen forms splendid pseudo-octahedral jet-black crystals, some with pagoda-like stacked structures and all with a wonderful metallic silky lustre.  The crystals are up to 2 cm on edge and cover the entire display surface, edge to edge.  Close to one end, several semi-transparent colourless to white complex Calcite crystals form an interrupted chain across the specimen, the largest crystal measuring 7 mm across.  This is a top quality Hausmannite from the N'Chwaning Mines in the Northern Cape Province of South Africa.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57781141733711,"sku":"CC21486","price":4441.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC21486_db0f40bc-b8c2-4f5c-9b19-74c88e3ff6f4.jpg?v=1783979189","url":"https:\/\/crystalclassics.co.uk\/products\/hausmannite-3","provider":"Crystal Classics UK","version":"1.0","type":"link"}