General Information:
Chemical Formula:Na2ZrSi6O15·3(H2O)
Composition:(Molecular Weight = 599.75 gm)Sodium 7.67 %
NaZirconium 15.21 %
ZrSilicon 28.10 %
SiHydrogen 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
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