General Information:
Chemical Formula:
Mn++4Sn++++B2(SiO4)4(OH)2
Composition:
(Molecular Weight = 762.43 gm)
Manganese 28.82 % Mn
Silicon 14.73 % Si
Tin 15.57 % Sn
Boron 2.84 % B
Hydrogen 0.26 % H
Oxygen 37.77 % O
Empirical Formula:
Mn2+4SnB2(SiO4)4(OH)2
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Good
Color:
yellowish orange.
Density:
3.67
Diaphaniety:
Transparent
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...