You are bidding on an natural raw Moldavites, Jewel Stones from locality Chlum and Vrábče. Great choice for lewellery makers. This jewellery pieces are from reduction of my personal collection. Rough surface, poison green colour, no damage, top quality drop shape, pole shape, lentil shape. Moldavite is a forest green silica glass formed by a meteorite impact in southern Germany (Nördlinger Ries Crater) that occurred about 15 million years ago. It is a type of tektite.