{"product_id":"casiterita","title":"Casiterita","description":"250g raw cassiterite. This piece is a beautiful specimen of cassiterite, measuring 65 x 50 x 40 mm, from Peru. It consists of a cluster of intense black crystals with well-defined faces and edges. Small white crystals add a touch of visual interest. This is a high-quality stone, ideal for collectors. \nCassiterite is the mineral form of tin oxide. It is often found alongside wolframite, scheelite, and mispickel. It typically contains 87% tin and 21% oxygen (in addition to tantalum, iron, and other minerals). It is extremely hard, heavy, and brittle, but resistant to acids. Origin: Peru","brand":"Rocas\u0026Cristales","offers":[{"title":"Default Title","offer_id":52535864459564,"sku":"PCASITE655040","price":180075.0,"currency_code":"ARS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/9009\/0028\/files\/casiterita-minerales-de-coleccion-8318792.jpg?v=1775148971","url":"https:\/\/rocasycristales.com\/en\/products\/casiterita","provider":"Rocas\u0026Cristales","version":"1.0","type":"link"}