Vinogradovite

General Information:
 Chemical Formula:
Na8Ti8O8(Si2O6)4[(Si3Al)O10]2[((H2O)),(Na,K)2]
Physical Properties:
 Cleavage:
[010] Perfect
 Color:
colorless or white.
 Density:
2.878
 Diaphaniety:
Transparent
 Hardness:
4 - Fluorite
 Luster:
Vitreous (Glassy)
 Streak:
white
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