Paralstonite

General Information:
 Chemical Formula:
BaCa(CO3)2
 Composition:
(Molecular Weight = 297.42 gm)
Barium 46.17 % Ba
Calcium 13.48 % Ca
Carbon 8.08 % C 
Oxygen 32.28 % O 
 Empirical Formula:
BaCa(CO3)2
 IMA Status:
Approved IMA 1979
Physical Properties:
 Color:
colorless or white.
 Density:
3.6
 Diaphaniety:
Transparent to Translucent
 Hardness:
4-4.5 - Between Fluorite and Apatite
 Luster:
Vitreous (Glassy)
 Streak:
white
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