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Quartz Psm Anhydrite

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SNJ168410

Quartz Psm Anhydrite

Description Tabs

Description
Locality: 
Ouray, Ouray County, Colorado, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 5 × 5 cm
Description

 This quartz encrustation is from a famous locality in an old Colorado mining district. It was mined from a good friend of mine that is off limits without permission. The quartz crystals are lustrous with clear terminations. The anhydrite was removed long ago in situ leaving casts.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria
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