Mineralogy Database

Eucairite Mineral Data

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General Eucairite Information

Help on Chemical  Formula: Chemical Formula: CuAgSe
Help on Composition: Composition: Molecular Weight = 250.37 gm
   Copper    25.38 %  Cu
   Silver    43.08 %  Ag
   Selenium  31.54 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: CuAgSe
Help on Environment: Environment: Widely distributed in selenium deposits of hydrothermal origin; locally abundant with other selenides.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1818
Help on Locality: Locality: In Canada, in the Martin Lake mine near Lake Athabasca, Saskatchewan, and in the Kidd Creek mine, near Timmins, Ontario. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "opportunity," because it was discovered shortly after discovery of the element selenium.
Help on Name Pronunciation: Name Pronunciation: Eucairite + Pronunciation Say EUCAIRITE