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Benjaminite

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Benjaminite

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.2 × 0.7 cm
Description

Grey metallic benjaminite in fluorite from the famous Clara mine. Specimen has the ID no 20-04-04-cla89, SEM-EDS conf.,

Mineral Data
What's on the rock

Benjaminite

Formula: 
(Ag,Cu)3(Bi,Pb)7S12
Strunz: 
2.JA.05e
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Outlaw Mine, Round Mountain District, Toquima Range, Nye Co., Nevada, USA