very few crystals ever reach the marketplace so they are much sought after by collectors

This impactite was formed years ago when many meteorites crashed into the earth making all those craters which produced the impact glass

on the other hand

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

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

Campo del Cielo Meteorite | Massive 10 KG | Iron IAB-MG | Regmaglypts Siderite very few crystals ever reachThis 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.