Like any other collectible, the smallest details are often what distinguish a good specimen from a great one and a great one from what some might call “museum class”. For some tektites, uncommon surface sculpture are what make them desirable. Tektites from Texas, Georgia, Belize, Ivory Coast, Moravia and Germany are all desirable because they are few in number. Color and surface sculpture are factors in all Tektite type whose name is derived from the Moldau (Vltava) river in the Czech Republic where the first pieces were identified. The vast majority of moldavites originate from the Czech Republic where they are mined. Moldavites are generally translucent with extensive etching, and forest green to olive green in color. values. Australites with complete intact flanges (buttons) or even a complete detached flange are also very collectible and the most desired of all tektites.
Natural, silica-rich glasses produced by melting of target rocks and dispersal as droplets during terrestrial impact events. In contrast to most impact glasses, which are found inside or within the immediate vicinity of impact structures, tektites are distal impact ejecta. They range in color from black or dark brown to and tektite
Tektites and tektites