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Coquandite & Stibnite

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ESM503538

Coquandite & Stibnite

Description Tabs

Description
Locality: 
Lucky Knock Mine, Tonasket, Okanogan County, Washington, United States of America
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 2.7 × 1.9 cm
Description

White coquandite needles in stibnite vugs with some tiny sulphur crystals

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

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey
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