Ammonioleucite

General Information:
 Chemical Formula:
(NH4,K)AlSi2O6
 Composition:
(Molecular Weight = 202.45 gm)
Potassium 4.83 % K 
Aluminum 13.33 % Al
Silicon 27.75 % Si
Hydrogen 1.49 % H 
Nitrogen 5.19 % N 
Oxygen 47.42 % O 
 Empirical Formula:
(NH4)0.75K0.25AlSi2O6
 IMA Status:
Approved IMA 1984
Physical Properties:
 Color:
white.
 Density:
2.29
 Diaphaniety:
Translucent
 Hardness:
5.5-6 - Knife Blade-Orthoclase
 Luster:
Vitreous - Resinous
 Streak:
white
More details...