Besednice Moldavite, a tektite, in perfect condition, complete with deep complex etching and endlessly compelling undulations. Moldavite is the naturally water-etched silica melt resulting from a meteor impact in what is now southern Germany about 14.7 million years ago, forming the Nördlinger Ries Crater. It is approximately 77% silica. Besednice, Český Krumlov District, South Bohemia, Czech Republic. 8.67 gms. 1.5" x 1" x .5"