General Information:
Chemical Formula:
SrMn+++2Si2O7(OH)2·(H2O)
Composition:
(Molecular Weight = 417.69 gm)
Strontium 20.98 % Sr
Manganese 26.31 % Mn
Silicon 13.45 % Si
Hydrogen 0.97 % H
Oxygen 38.30 % O
Empirical Formula:
SrMn3+2Si2O7(OH)2·(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
brown or yellow brown.
Diaphaniety:
Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
Streak:
yellowish brown
More details...