Description

Heulandite

from the Paleoproterozoic era

7 x 4 x 2 cm

and durable crystal structure

Ruby is a red variety of corundum

Libyan Desert Glass fossils HeulanditeSize: 3. 5 X 3. 5 cm Weight: 9 Gram Location: Libya Product Description Libyan Desert Glass is a rare natural silica glass found in the eastern Sahara Desert near the LibyaEgypt border. It formed approximately 29 million years ago during the late Eocene epoch. Scientific studies suggest it was created when an intense meteorite impact or atmospheric airburst generated temperatures above 1,700C, melting desert sand (nearly pure silica) into glass. The

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Libyan Desert Glass fossils Heulandite

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