Moldavite belongs to the Tektite group. They are often an exquisite emerald green colour, and are frequently used in jewellery making.
There has been much controversy about the genesis of tektites, their appearance and distribution in ‘strewn fields’ suggests a meteoric origin, but their composition is more consistent with a terrestrial formation. Geologists generally believe tektites were created when massive impacts hurled molten surface rocks high into the atmosphere, then remelting on re-entry producing the characteristic shape and evidence of ablative heating. Other types may have been formed in situ by the extreme energies of a meteoric impact. However, an increasing number of experts feel that they could in fact suggest an extraterrestrial origin. The debate still goes on.
Translucent Green, from Czech Republic
[actual as seen]
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