Garrelsite-VIII

General Information:
 Chemical Formula:
Ba3NaSi2B7O16(OH)4
 Composition:
(Molecular Weight = 890.83 gm)
Barium 46.25 % Ba
Sodium 2.58 % Na
Silicon 6.31 % Si
Boron 8.49 % B 
Hydrogen 0.45 % H 
Oxygen 35.92 % O 
 Empirical Formula:
Ba3NaSi2B7O16(OH)4
Physical Properties:
 Color:
colorless.
 Density:
3.68
 Diaphaniety:
Transparent
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