General Information:
Chemical Formula:
Mn4B2O5(OH,Cl)4
Composition:
(Molecular Weight = 398.62 gm)
Manganese 55.13 % Mn
Boron 5.42 % B
Hydrogen 0.88 % H
Chlorine 4.45 % Cl
Oxygen 34.12 % O
Empirical Formula:
Mn2+4B2O5(OH)3.5Cl0.5
Physical Properties:
Cleavage:
None
Color:
white, brownish, reddish, or pinkish brown.
Density:
3.42 - 3.54, Average = 3.48
Diaphaniety:
Transparent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous - Silky
Streak:
white
More details...