Georgechaoite

General Information:
 Chemical Formula:
KNaZrSi3O9·2(H2O)
 Composition:
(Molecular Weight = 417.59 gm)
Potassium 9.36 % K 
Sodium 5.51 % Na
Zirconium 21.85 % Zr
Silicon 20.18 % Si
Hydrogen 0.97 % H 
Oxygen 42.14 % O 
 Empirical Formula:
KNaZrSi3O9·2(H2O)
 Environment:
Found in small cavities in an alacime nepheline syenite.
 IMA Status:
Approved IMA 1984
 Locality:
Wind Mountain laccolith, Otero County, New Mexico.
 Name Origin:
The name honors Prof. George Y. Chao of Carlton University, Ottawa, Canada, for his work with Zr silicates.
Physical Properties:
 Cleavage:
None
 Color:
colorless or white.
 Density:
2.7
 Diaphaniety:
Transparent
 Hardness:
5 - Apatite
 Streak:
white
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