General Information:
Chemical Formula:
Na2ZrSi4O11
Composition:
(Molecular Weight = 425.54 gm)
Sodium 10.81 % Na
Zirconium 21.44 % Zr
Silicon 26.40 % Si
Oxygen 41.36 % O
Empirical Formula:
Na2ZrSi4O11
IMA Status:
Approved IMA 1961
Physical Properties:
Cleavage:
[010] Distinct
Color:
colorless.
Density:
2.97
Diaphaniety:
Transparent
Hardness:
6 - Orthoclase
Luminescence:
Fluorescent.
Luster:
Vitreous - Greasy
Streak:
white
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