Chalcanthite
.H2O
5
Cu
1
O
4
S
1
  
 
Minerals with the same name may vary widely in appearance and composition, and very few are >99% (reagent grade) pure.

Gram formula weight (molecular mass) = 249.70


Minerals may vary in elemental composition and impurity levels.
Wikipedia Page:

Chalcanthite
is defined with respect to the entities below:
The entities below are defined with respect to:
Chalcanthite
Copper(II) sulfate.5H2O


Mineral (generic)


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