General Information:
Chemical Formula:
Na2ZrSi6O15·3(H2O)
Composition:
(Molecular Weight = 599.75 gm)
Sodium 7.67 % Na
Zirconium 15.21 % Zr
Silicon 28.10 % Si
Hydrogen 1.01 % H
Oxygen 48.02 % O
Empirical Formula:
Na2ZrSi6O15·3(H2O)
Locality:
Narsarsuk in the Julianehaab district, southern Greenland.
Physical Properties:
Cleavage:
[???] Perfect, [???] Perfect
Color:
brown, colorless, yellow brown, white, or light red.
Density:
2.54
Diaphaniety:
Transparent to translucent
Habits:
Fibrous - Crystals made up of fibers., ,
Hardness:
7 - Quartz
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...