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Metastibnite & Copiapite

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CLB131070

Metastibnite & Copiapite

ex coll. Fanelsa & Rüd
Type Locality

Description Tabs

Description
Locality: 
Steamboat Hot Springs, Washoe County, Nevada, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 10 × 3.7 cm
Description

Dark red metastibnite on tuff / siliceous fumarolic sinter matrix. The dark mineral is probably metacinnabar and the yellow crystals copiapite.
A big type locality specimen (metastibnite).

Mineral Data
What's on the rock

Metastibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0 - 3.0
Streak: 
Red
Type Locality: 
Steamboat Hot Springs, Steamboat Springs District, Washoe Co., Nevada, USA

Copiapite

Formula: 
Fe2+Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Copiapó Province, Atacama Region, Chile

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