The only tektite in gemstone quality-
Moldavite is the only tektite in gemstone quality. This makes moldavite unique among gemstones. It is beloved for its peculiarity and rarity, which is reflected in the wide variety of sizes, shapes, textures and shades of green. Moldavites are often collected in their original rough form, which has many variations. From deeply etched to almost smooth with a fine play of lines on the surface.
Origin of the name-
Moldavite is found near the Vltava river in the Czech Republic. The Czech name for moldavite is: 'vltavín' which is derived from this river. In German this river is called 'Moldau'. The Czech city 'Týn nad Vltavou' is called 'Moldauthein' in German. Here lived Dr. Josef Mayer who first mentioned the peculiar green stones in 1786. These were described at the University of Prague as: "Crysolithen von Thein". The name Moldavite was eventually derived from the Bohemian city where the discoverer lived.
Where is Moldavite found?-
The largest deposits of Moldavite are found in the upper basin of the moldau between Prachatice and Trhovými Sviny and south and west of České Budějovice in the Czech Republic. Moldavite is also found in Moravia, the stones from this region are sometimes called Moravites and have a more brown color. These moldavites are less popular than the green Bohemian variant. Even in Austria a small amount of moldavite has been discovered, but also these are browner in color and less in quality.
Discovery of Moldavite-
Dr. Josef Mayer was a Professor in Natural History at the Charles University in Prague in the end of the 17th century. He found the Moldavite on the banks of the Moldau near the city of Týn nad Vltavou and was the first to publish about it. Mayer initially thought that this green "natural glass" was a beryl of volcanic origin. It took centuries before the discovery that this miraculous stone was the product of a meteorite impact.
The origin of Moldavite-
About 14 million years ago, the Earth was hit by an asteroid. The impact of this huge meteorite created the Nördlinger Ries crater. In this collision, the meteorite was shattered and fragmented. Parts of the meteorite toghetter with terrestrial rock were thrown into the atmosphere and landed hundreds of kilometres away in the Czech Republic. The Nördlinger Ries crater has a round shape with a diameter of 24 km. The historic German city of Nördlingen is built in the crater. According to calculations the Ries meteorite was up to a kilometer in diameter.
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