General Information:
Chemical Formula:
(Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H2O)
Environment:
Generally associated with sodalite-group minerals.
IMA Status:
Approved IMA 1968
Locality:
TL: Sar-e-Sang luzurite deposit in Afghanistan.
Name Origin:
From its locality.
Physical Properties:
Cleavage:
[???] Perfect
Color:
blue or colorless.
Density:
2.55 - 2.65, Average = 2.59
Diaphaniety:
Transparent
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., ,
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
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