Mineralogy Database

Tyrrellite Mineral Data

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General Tyrrellite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Co,Ni)3Se4
Help on Composition: Composition: Molecular Weight = 500.87 gm
   Cobalt    10.59 %  Co
   Copper    22.84 %  Cu
   Nickel     3.52 %  Ni
   Selenium  63.06 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu1.8Co0.9Ni0.3Se4
Help on Environment: Environment: With other selenides as the youngest hydrothermal replacements and open space fillings in sheared Precambrian rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1952
Help on Locality: Locality: Western part of the Eagle Claims, Beaver Lodge Lake, Goldfields district, Saskatchewan, Canada Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Joseph Burr Tyrell (1858-1957), first geologist to visit the area of discovery in Canada.
Help on Name Pronunciation: Name Pronunciation: Tyrrellite + Pronunciation Say TYRRELLITE