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Tyrrellite

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JYJ203897

Tyrrellite

Description Tabs

Description
Locality: 
Beaverlodge Region, Saskatchewan, Canada
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.5 × 0.4 cm
Description

Grey metallic tyrrellite in umangite. Both are rare selenide minerals.

Mineral Data
What's on the rock

Tyrrellite

Formula: 
Cu(Co3+,Ni3+)2Se4
Strunz: 
2.DA.05
Hardness: 
3.5
Colour: 
Bronze
Streak: 
Black
Type Locality: 
Eagle Claims U-Cu-Se Occurrence, Eagle shaft area, Melville Lake, Goldfields District, Beaverlodge Region, Saskatchewan, Canada