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Larosite

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Larosite

Type Locality

Description Tabs

Description
Locality: 
Foster Mine, Coleman Township, Cobalt, Timiskaming District, Ontario, Canada
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.6 × 0.4 cm
Description

Metallic microinclusions of the extremely rare Ag mineral larosite from the type locality in Foster mine , Canada in a matrix of chalcosine, in an analyzed specimen by SEM/EDS by the former owner of the specimen (the Vandenbroucke Museum) but the analysis is no longer available. Two sides of the specimen are polished because of the analysis.

Only 5 localities known worldwide.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Larosite

Formula: 
(Cu,Ag)21(Pb,Bi)2S13
Strunz: 
2.LB.35
Hardness: 
3.0 - 3.5
Type Locality: 
Foster Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

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