General Information:
Chemical Formula:
MnAl6Si4O17(OH)2
Composition:
(Molecular Weight = 635.17 gm)
Manganese 8.65 % Mn
Aluminum 25.49 % Al
Silicon 17.69 % Si
Hydrogen 0.32 % H
Oxygen 47.86 % O
Empirical Formula:
Mn2+Al6Si4O17(OH)2
Physical Properties:
Cleavage:
[100] Good
Color:
cream white or light pink.
Density:
3.15
Hardness:
2-3 - Gypsum-Calcite
Luster:
Silky
Streak:
white
More details...