Magnesiocarpholite

General Information:
 Chemical Formula:
MgAl2Si2O6(OH)4
 Composition:
(Molecular Weight = 298.46 gm)
Magnesium 8.14 % Mg
Aluminum 18.08 % Al
Silicon 18.82 % Si
Hydrogen 1.35 % H 
Oxygen 53.61 % O 
 Empirical Formula:
MgAl2Si2O6(OH)4
 IMA Status:
Approved IMA 1978
Physical Properties:
 Cleavage:
[???] Good
 Color:
gray green or white.
 Diaphaniety:
Translucent
 Hardness:
5-5.5 - Apatite-Knife Blade
 Luster:
Silky
 Streak:
white
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