Mineralogy Database

Geerite Mineral Data

Search Webmineral :

General Geerite Information

Help on Chemical  Formula: Chemical Formula: Cu8S5
Help on Composition: Composition: Molecular Weight = 668.70 gm
   Copper  76.02 %  Cu
   Sulfur  23.98 %  S
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu8S5
Help on Environment: Environment: Replacing sphalerite along cleavage traces.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: In DeKalb Township, St. Lawrence Co., New York, and from Cuchillo, Winston district, Sierra Co., New Mexico, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor the original collector, Adam Geer, of Utica, New York, USA.
Help on Name Pronunciation: Name Pronunciation: Geerite Say GEERITE