Paraspurrite

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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