General Information:
Chemical Formula:KNaMn++Si4O10
Composition:(Molecular Weight = 389.36 gm)Potassium 10.04 %
K Sodium 5.90 %
NaManganese 14.11 %
MnSilicon 28.85 %
SiOxygen 41.09 %
O Empirical Formula: KNaMn2+Si4O10
IMA Status:Approved IMA
Physical Properties: Cleavage:[001] Perfect, [010] Perfect
Color:colorless, creamy white, or rosy.
Density:2.73
Diaphaniety:Transparent to Translucent
Hardness:5 - Apatite
Luster:Vitreous (Glassy)
Streak:white
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