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Cuprotungstite Psm Actinolite & Scheelite

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ASC593282

Cuprotungstite Psm Actinolite & Scheelite

Rare Mineral

Description Tabs

Description
Locality: 
Gold Hill District, Tooele County, Utah, United States of America
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 2 cm
Description

Pseudomorph of shimmering green cuprotungstite and actinolite after scheelite

Mineral Data
What's on the rock

Cuprotungstite

Formula: 
Cu2(WO4)(OH)2
Strunz: 
7.GB.15
Hardness: 
4.0 - 5.0
Type Locality: 
La Paz, Mun. de La Paz, Baja California Sur (BC Sur), Mexico

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White

Scheelite

Formula: 
Ca(WO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Bispbergs Klack, Säter, Dalarna, Sweden

Seller Information

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