{"product_id":"columbite-1","title":"COLUMBITE","description":"Columbite, an iron-niobium oxide, in this rather gorgeous miniature, forms a blocky prism with myriads of millimetre scale mini-prisms adhering to its two opposite broad faces.  The crystal is opaque metallic black with what appears to be a cleaved base but could be a variant form of a matt lustre face, indicated by concentric growth patterns.  The pinacoid termination is perfectly flat and mirror smooth.  From Minas Gerais State in Brazil, a really excellent example of a Columbite crystal.\n","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57781147042127,"sku":"CC21826","price":1184.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC21826_9723eed8-f388-468e-b1f1-6675a1e354a5.jpg?v=1783979673","url":"https:\/\/crystalclassics.co.uk\/products\/columbite-1","provider":"Crystal Classics UK","version":"1.0","type":"link"}