General Information:
Chemical Formula:Ca2Al2SiO6(OH)2
Composition:(Molecular Weight = 292.22 gm)Calcium 27.43 %
CaAluminum 18.47 %
AlSilicon 9.61 %
SiHydrogen 0.69 %
H Oxygen 43.80 %
O Empirical Formula: Ca2Al2SiO6(OH)2
Environment:Vesuvianite skarn. Dimorphous with bicchulite.
IMA Status:Approved IMA 1981
Locality:Kamaishi mine, Kamaishi, Iwate Prefecture, Honshu, Japan.
Name Origin:Named for the locality.
Physical Properties: Cleavage:None
Color:colorless.
Density:2.83
Diaphaniety:Transparent
Habits:Microscopic Crystals - Crystals visible only with microscopes., ,
Luster:Vitreous (Glassy)
Streak:white
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