General Information:
Chemical Formula:
Mn4Mg(AsO4)2(OH)4·4(H2O)
Composition:
(Molecular Weight = 661.99 gm)
Magnesium 3.67 % Mg
Manganese 33.20 % Mn
Arsenic 22.64 % As
Hydrogen 1.83 % H
Oxygen 38.67 % O
Empirical Formula:
Mn4+4Mg(AsO4)2(OH)4·4(H2O)
Locality:
TL: Sweden, Vrmland, Filipstad, Lngban mn
Physical Properties:
Cleavage:
[???] Good
Color:
reddish brown.
Density:
3.19 - 3.26, Average = 3.22
Diaphaniety:
Translucent
Hardness:
3.5 - Copper Penny
More details...