General Information:
Chemical Formula:(Mn,Mg,Zn)42Si16O54(OH)40
Composition:(Molecular Weight = 3,958.95 gm)Magnesium 7.74 %
MgManganese 34.97 %
MnZinc 6.94 %
ZnSilicon 11.35 %
SiHydrogen 1.02 %
H Oxygen 37.99 %
O Empirical Formula: Mn2+25.2Mg12.6Zn4.2Si16O54(OH)40
IMA Status:Approved IMA (Dana # Added)
Physical Properties: Color:colorless or pink.
Density:3.58
Diaphaniety:Transparent
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Acicular - Occurs as needle-like crystals.,
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
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