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Siegenite & Dolomite

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PJM78867

Siegenite & Dolomite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Bunker Hill Mine, Kellogg, Shoshone County, Idaho, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 4.5 × 1.9 cm
Description

Bright metallic silver siegenite crystals with cream coloured dolomite rhombs from Bunker Hill mine, Jasper County.

Mineral Data
What's on the rock

Siegenite

Formula: 
CoNi2S4
Strunz: 
2.DA.05
Hardness: 
4.5 - 5.5
Type Locality: 
Stahlberg Mine (Schwabengrube), Müsen, Siegerland, North Rhine-Westphalia, Germany

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White
Earthstones Australia

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