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Cuproroméite Azurite & Tetrahedrite On Baryte

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CLB113974

Cuproroméite Azurite & Tetrahedrite On Baryte

Classic Locality

Description Tabs

Description
Locality: 
Lanwehr Quarry, Müschede, Sauerland, North Rhine - Westphalia, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
11.2 × 8.5 × 6 cm
Description

Yellowish green cuproroméite breaking through a fine dark blue azurite layer on baryte. A group of a few dozen very fine little tetrahedrite crystals in one corner (not pictured).

Mineral Data
What's on the rock

Cuproroméite

Formula: 
Cu2Sb2(O,OH)7
Strunz: 
4.DH.20
Crystal System: 
Isometric
Hardness: 
3.0 - 4.0
Type Locality: 
Blind Spring Hill, Benton, Blind Spring District (Blind Spring Hill District; Benton District), Benton Range, Mono Co., California, USA

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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