General Information:
Chemical Formula:
Ca(Mg,Mn,Fe++)B2O5
Composition:
(Molecular Weight = 178.34 gm)
Calcium 22.47 % Ca
Magnesium 8.18 % Mg
Manganese 9.24 % Mn
Iron 3.13 % Fe
Boron 12.12 % B
Oxygen 44.86 % O
Empirical Formula:
CaMg0.6Mn2+0.3Fe2+0.1B2O5
IMA Status:
Approved IMA 1966
Physical Properties:
Cleavage:
[010] Perfect
Color:
light gray.
Density:
3.02
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...