General Information:
Chemical Formula:Ca6MnBe4(SiO4)2(Si2O7)2(OH)2
Composition:(Molecular Weight = 885.97 gm)Calcium 27.14 %
CaManganese 6.20 %
MnBeryllium 4.07 %
BeSilicon 19.02 %
SiHydrogen 0.23 %
H Oxygen 43.34 %
O Empirical Formula: Ca6Mn2+Be4(SiO4)2(Si2O7)2(OH)2
Environment:Occurs with garnet and rhodonite.
Locality:Harstig mine, Pajsberg, near Persber, Vermland, Switzerland.
Name Origin:Named after its locality.
Physical Properties: Cleavage:None
Color:colorless or white.
Density:3.16
Diaphaniety:Translucent
Habits:Crystalline - Fine - Occurs as well-formed fine sized crystals., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:5.5 - Knife Blade
Luster:Vitreous (Glassy)
Streak:white
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