General Information:
Chemical Formula:
Ca2Al2SiO6(OH)2
Composition:
(Molecular Weight = 292.22 gm)
Calcium 27.43 % Ca
Aluminum 18.47 % Al
Silicon 9.61 % Si
Hydrogen 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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