Jokokuite

General Information:
 Chemical Formula:
MnSO4·5(H2O)
 Composition:
(Molecular Weight = 241.08 gm)
Manganese 22.79 % Mn
Hydrogen 4.18 % H 
Sulfur 13.30 % S 
Oxygen 59.73 % O 
 Empirical Formula:
Mn2+(SO4)·5(H2O)
 IMA Status:
Approved IMA 1978
Physical Properties:
 Cleavage:
None
 Color:
light pink.
 Density:
2.03
 Diaphaniety:
Transparent to Translucent
 Hardness:
2.5 - Finger Nail
 Luster:
Vitreous (Glassy)
 Streak:
white
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