Tectite

Tectite: Natural glass formed after the fall and impact of gigantic meteorites by condensation of the evaporated substances (Figure GL2). They are found in specimens not exceeding 3-4 cm in size, round-shaped with jagged surfaces, in colors ranging from black green to yellow. Its only variety is Moldavite.

Tectite (Photo: Dante Alighieri/Wikimedia Commons)

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