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Quartz Psm Anhydrite

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SNJ122996

Quartz Psm Anhydrite

Description Tabs

Description
Locality: 
Colorado, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7.5 × 5 cm
Description

 Dozens of shiny quartz crystals coat this epimorph of quartz after anhydrite. The cast resulting from the dissolved anhydrite crystals is visble from around the piece. This specimen is from an old locality that is seldom available on the market today. The Silver Point Mine is in an extremely rugged area and owned by a good friend. It is completely off-limits to collectors.

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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