Umangite (rare Cu-selenide) Dr. Werner Paar Coll.

Tuminico Mine, Sierra de Cacho, La Rioja, Argentina
Miniature, 4.4 x 3.0 x 1.5 cm
Start Time: 01/22/2016 6:30:00 pm (CST)
End Time: 01/28/2016 6:30:36 pm (CST)
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Item Description

Scattered tiny brilliant metallic umangite crystals and rich crusts of tarnished, violet umangite cover the matrix on this rich specimen from near the Type Locality. Umangite is a very rare copper selenide first described in 1891. Malachite on one end is also noted. Ex. Dr. Werner Paar and Josef Vajdak Collections. Comes with a copy of the Dr. Paar label.

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