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Coquandite

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GMN722845

Coquandite

Description Tabs

Description
Locality: 
Minei Hill, Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1 cm
Description

A lot of white thin, tabular, silky crystals in the massive stibnite matrix cavities.

Mineral Data
What's on the rock

Coquandite

Formula: 
Sb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)
Strunz: 
7.DE.35
Crystal System: 
Triclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Lucky Knock Mine (Lawrence Mine), Whitestone Coulee, Tonasket, Okanogan Co., Washington, USA

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