General Information:
Chemical Formula:
Mn5Al(Si3Al)O10(OH)8
Composition:
(Molecular Weight = 708.96 gm)
Manganese 38.75 % Mn
Aluminum 7.61 % Al
Silicon 11.88 % Si
Hydrogen 1.14 % H
Oxygen 40.62 % O
Empirical Formula:
Mn2+5Al2Si3O10(OH)8
Physical Properties:
Cleavage:
[001] Perfect
Color:
orange red or reddish brown.
Density:
3.06
Diaphaniety:
Translucent
Hardness:
2-3 - Gypsum-Calcite
Luster:
Pearly
Streak:
brownish yellow
More details...