The cat's eye effect in apatite is caused by the presence of parallel needle-like inclusions within the stone

35-gram Impact Melt Glass from the famous Sudbury Impact Structure in Ontario Canada

Product Name: Tourmaline with Albite Crystal

This piece displays extremely well and would be a beautiful addition to any new or existing collection

Campo del Cielo Meteorite | Massive 10 KG | Iron IAB-MG | Regmaglypts Siderite The cat's eye effect inThis is a beautiful sample of the famous iron meteorite Campo del Cielo (Heavens Field in Spanish) that was found in Chaco Province, Argentina, in 1576 by Spanish explorers. This is a solid iron individual meteorite classified as IAB Silicated. This incredible specimen has many large regmaglypts and scoops (or thumb prints). This meteorite is classified as an Iron polycrystalline coarse octahedrite (IAB). It weighs 10 kg (22 Lbs) and measures 20.