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Allargentum & Native Silver

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RMM543851

Allargentum & Native Silver

Description Tabs

Description
Locality: 
Kerr Lake Mine, Coleman Township, Cobalt, Timiskaming District, Ontario, Canada
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.3 × 1.2 cm
Weight: 
36.00gr
Description

This is a specimen of allargentum in a vein of native silver. The allargentum is darker grey than the silver and displays an intergrowth pattern with the fine-grained, antimony-rich silver along a parting surface. Such a pattern is normally not visible without polishing and etching. 

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

Silver

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

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