Chemical Formula: (Co,Fe)AsS
Help on Composition: Composition: Molecular Weight = 165.15 g
 
Sulfur 19.42 % S 0.00 % 0.00 %
Iron 8.45 % Fe 0.00 % 0.00 %
Cobalt 26.76 % Co 0.00 % 0.00 %
Arsenic 45.37 % As 0.00 % 0.00 %

100.00 %
 
Help on Empirical Formula: Empirical Formula: Co0.75Fe2+0.25AsS
Help on Environment: Environment: Found in deep-seated deposits of high-temperature origin
Help on Locality: Locality: In Sweden, at Hakansbo, Vastmanland, as large twinned and untwinned crystals.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "blue," in reference to its use in the dark blue glass called smalt
Help on Synonym: Synonym: