General Information:
Chemical Formula:
Ca5(SiO4)2(CO3)
Composition:
(Molecular Weight = 444.57 gm)
Calcium 45.08 % Ca
Silicon 12.64 % Si
Carbon 2.70 % C
Oxygen 39.59 % O
Empirical Formula:
Ca5(SiO4)2(CO3)
IMA Status:
Approved IMA 1977
Locality:
Darwin mines, Darwin, Inyo Co., California.
Name Origin:
Named because of it's similarity to spurrite.
Physical Properties:
Cleavage:
[001] Indistinct
Color:
colorless.
Density:
3
Diaphaniety:
Transparent
Streak:
white
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