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Tyrrellite
Type Locality
Eagle Claims U-Cu-Se Occurrence, Eagle shaft area, Melville Lake, Goldfields District, Beaverlodge Region, Saskatchewan, Canada
Mineral Data
Cu(Co
3+
,Ni
3+
)
2
Se
4
Strunz:
2.DA.05
Physical Properties
Colour:
Bronze
Streak:
Black
Hardness:
3.5
Tenacity:
brittle
