Olenite

General Information:
 Chemical Formula:
NaAl3Al6(BO3)3(Si6O18)(O,OH)4
 Composition:
(Molecular Weight = 1,140.18 gm)
Sodium 2.02 % Na
Aluminum 21.30 % Al
Silicon 14.78 % Si
Boron 5.69 % B 
Hydrogen 0.09 % H 
Oxygen 56.13 % O 
 Empirical Formula:
NaAl9(BO3)3Si6O21(OH)
 IMA Status:
Approved IMA
Physical Properties:
 Color:
light pink.
 Density:
3.01
 Diaphaniety:
Transparent
 Hardness:
7 - Quartz
 Luster:
Vitreous (Glassy)
 Streak:
white
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