General Information:
Chemical Formula:Na5Zr2Si6O18(Cl,OH)·2(H2O)
IMA Status:Approved IMA 1979
Physical Properties: Cleavage:[110] Perfect, [010] Good, [001] Distinct
Color:brownish yellow or greenish yellow.
Density:2.88
Diaphaniety:Transparent to Translucent
Hardness:5-5.5 - Apatite-Knife Blade
Luster:Vitreous (Glassy)
Streak:white
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