Voggite

General Information:
 Chemical Formula:
Na2Zr(PO4)(CO3)(OH)·2(H2O)
 Composition:
(Molecular Weight = 345.22 gm)
Sodium 13.32 % Na
Zirconium 26.42 % Zr
Phosphorus 8.97 % P 
Hydrogen 1.46 % H 
Carbon 3.48 % C 
Oxygen 46.35 % O 
 Empirical Formula:
Na2Zr(PO4)(CO3)(OH)·2(H2O)
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
[???] Indistinct
 Color:
colorless.
 Density:
2.7
 Diaphaniety:
Transparent
 Luster:
Vitreous (Glassy)
 Streak:
white
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