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Cyanotrichite In Gypsum

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PDM641292

Cyanotrichite In Gypsum

Description Tabs

Description
Locality: 
Copaquire, Collahuasi District, Tamarugal Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.2 × 1 cm
Description

Blue acicular cyanotrichite covered by parallel growths of transparent gypsum.

Acquired in 1985. Ex Gerard Vogel specimen.

Mineral Data
What's on the rock

Cyanotrichite

Formula: 
Cu4Al2(SO4)(OH)12·2H2O
Strunz: 
7.DE.10
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 3.0
Type Locality: 
Moldova Nouă (Neumoldowa), Moldova Nouă-Sasca Cu-Mo ore field, Banat Mts, Caraş-Severin Co., Romania

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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