General Information:
Chemical Formula:Na5Ti+++Nb2Si4O12O5F·5(H2O)
Composition:(Molecular Weight = 842.05 gm)Sodium 13.65 %
NaTitanium 5.69 %
TiNiobium 22.07 %
NbSilicon 13.34 %
SiHydrogen 1.20 %
H Oxygen 41.80 %
O Fluorine 2.26 %
F Empirical Formula: Na5TiNb2Si4O17F·5(H2O)
Physical Properties: Cleavage:[001] Perfect, [110] Distinct
Color:white, yellowish white, gray, or light brown.
Density:2.65 - 2.89, Average = 2.77
Diaphaniety:Translucent
Hardness:1-1.5 - Talc or a little harder
Luster:Pearly
Streak:white
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