General Information:
Chemical Formula:
(Mn,Mg)3Zn2(AsO4)(OH,O)6
Composition:
(Molecular Weight = 980.21 gm)
Magnesium 7.44 % Mg
Manganese 16.81 % Mn
Zinc 26.68 % Zn
Arsenic 15.29 % As
Hydrogen 1.13 % H
Oxygen 32.64 % O
Empirical Formula:
Mn2+2.25Mg2.25Mg0.75Mn2+0.75Zn2(AsO4)(OH)5.5O0.5
Physical Properties:
Cleavage:
[???] Distinct
Color:
grayish green or purplish red.
Density:
3.55
Diaphaniety:
Translucent
Hardness:
3-3.5 - Calcite-Copper Penny
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Pearly
More details...