Dioptase (type locality)

Altyn Tyube, Karaganda, Kazakhstan
Miniature, 3.8 x 3.2 x 1.8 cm
Start Time: 02/18/2017 7:00:00 pm (CST)
End Time: 02/23/2017 6:30:00 pm (CST)
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Item Description

Totally covering one side of the matrix are lustrous and translucent, mottled, emerald green dioptase crystals, to 1 cm in length. Alton Tyube is the type locality for this rich copper silicate mineral.

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