Gemstone- moldavite gemstone, libyan desert gemstone. Size:- length- 1.57 inch. Moldavite: moldavite is a tektite which is produced when the terrestrial-silica is fused in the intense heat and pressure conditions, created by the impact of a meteorite on the earth. Currently, the active and known source for moldavites is the czech republic. Moldavite has formed about 15 million years ago in the crater in the czech republic due to the impact of meteoroid in the past.Moldau river in czech river has large deposits of these moldavites. Natural moldavite had a dull mossy green colour. Libyan desert glass: a greenish-yellow natural glass found in the western desert of egypt. The major component of libyan desert glass is almost pure molten silica glass, lechatelierite. The most popular theory of origin is that it was formed due to the impact or atmospheric explosion of a large meteor. Thanks for visit our shop. This item is made of silver and stone.