General Information:
Chemical Formula:
Mn++5As+++3O9(OH,Cl)
Composition:
(Molecular Weight = 665.07 gm)
Manganese 41.30 % Mn
Arsenic 33.80 % As
Hydrogen 0.11 % H
Chlorine 1.33 % Cl
Oxygen 23.46 % O
Empirical Formula:
Mn2+5As3O9OH0.75Cl0.25
Physical Properties:
Color:
blue green, grass green, or dark red.
Density:
4.3
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Vitreous (Glassy)
Streak:
white
More details...