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Kobyashevite & Beudantite

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RSL629809

Kobyashevite & Beudantite

Analysed

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 3 cm
Description

In this specimen we can observe a matrix formed by goethite and calcite crystals that are partially covered by kobyashevite, a very rare copper hidroxyl sulphate, with a blue-green color. It is accompanied by small needles of gypsum. In the matrix we can observe some yellowish beudantite crystal aggregates. This specimen has been analyzed. New 2017 find in mina Ojuela.

Collected: 
2017
Mineral Data
What's on the rock

Kobyashevite

Formula: 
Cu5(SO4)2(OH)6·4H2O
Hardness: 
2.5 - 0.0
Type Locality: 
Kapital'naya mine, Vishnevye Mts (Vishnyovye; Cherry), Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Beudantite

Formula: 
PbFe3(AsO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Type Locality: 
Louise Mine, Bürdenbach, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany