General Information:
Chemical Formula:
(Na,K)CaAl6(PO4)4(OH)9·3(H2O)
Composition:
(Molecular Weight = 815.98 gm)
Potassium 1.20 % K
Sodium 2.11 % Na
Calcium 4.91 % Ca
Aluminum 19.84 % Al
Phosphorus 15.18 % P
Hydrogen 1.85 % H
Oxygen 54.90 % O
Empirical Formula:
Na0.75K0.25CaAl6(PO4)4(OH)9·3(H2O)
Physical Properties:
Cleavage:
[001] Good
Color:
greenish, white, or light gray.
Density:
2.83
Habits:
Fibrous - Crystals made up of fibers., ,
Hardness:
5.5 - Knife Blade
Luminescence:
Non-fluorescent.
Streak:
white
More details...