Tetranatrolite

General Information:
 Chemical Formula:
Na2[Al2Si3O10]·2(H2O)
 Composition:
(Molecular Weight = 380.22 gm)
Sodium 12.09 % Na
Aluminum 14.19 % Al
Silicon 22.16 % Si
Hydrogen 1.06 % H 
Oxygen 50.49 % O 
 Empirical Formula:
Na2Al2Si3O10·2(H2O)
 Environment:
Dehydration product of paranatrolite.
 IMA Status:
IMA Status in Question 1998
 Locality:
Mont Saint-Hilaire, Quebec, Canada.
 Name Origin:
The name recognizes its association with and similarity in chemical composition to natrolite.
Physical Properties:
 Cleavage:
None
 Color:
white or pale pink.
 Density:
2.28
 Diaphaniety:
Translucent to Opaque
 Hardness:
5 - Apatite
 Luminescence:
Fluorescent.
 Luster:
Vitreous - Dull
 Streak:
white
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