General Information:
Chemical Formula:
Al14Li6(OH)42Mn++3Mn++++18O42
Composition:
(Molecular Weight = 2,959.37 gm)
Lithium 1.41 % Li
Manganese 38.98 % Mn
Aluminum 12.76 % Al
Hydrogen 1.43 % H
Oxygen 45.41 % O
Empirical Formula:
Al14Li6(OH)42Mn2+3Mn3+18O42
Physical Properties:
Cleavage:
[001] Perfect
Color:
bluish black or black.
Density:
3.14 - 3.4, Average = 3.27
Diaphaniety:
Opaque
Hardness:
3 - Calcite
Luster:
Metallic - Dull
Streak:
black
More details...