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Allargentum Dyscrasite Native Silver & Actinolite

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CLB650068

Allargentum Dyscrasite Native Silver & Actinolite

Description Tabs

Description
Locality: 
Bouismas Mine, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.6 × 0.5 cm
Largest Crystal: 
1.50cm
Description

A mix of silver, allargetum and dyscrasite (pseudomorph?) with some acicular actinolite.

Mineral Data
What's on the rock

Allargentum

Formula: 
(Ag1-xSbx)
Strunz: 
2.AA.30
Crystal System: 
Hexagonal
Hardness: 
3.5
Colour: 
Silver
Type Locality: 
University Mine (Giroux Lake Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

Dyscrasite

Formula: 
Ag3Sb
Strunz: 
2.AA.35
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Wenzel Mine, Frohnbach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

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

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