General Information:
Chemical Formula:K6Al4Si8O25·(H2O)
Composition:(Molecular Weight = 985.20 gm)Potassium 23.81 %
K Aluminum 10.95 %
AlSilicon 22.81 %
SiHydrogen 0.20 %
H Oxygen 42.22 %
O Empirical Formula: K6Al4Si8O25·(H2O)
Environment:Ultra-agpaitic pegmatite cutting nepheline syenite in a drill core.
Locality:Vuonemiok River, southern Khibiny massif, Kola Peninsula, Russia.
Name Origin:Named from the Greek "lithos", stone, because it contains the most abundant components of the Earth's crust.
Physical Properties: Cleavage:None
Color:colorless.
Density:2.51
Diaphaniety:Transparent
Habits:Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks., ,
Hardness:5.5 - Knife Blade
Luster:Vitreous (Glassy)
Streak:white
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