General Information:
Chemical Formula:(Na,K)3Mg4(Al,Mg)6(Si,Al)24O60
Composition:(Molecular Weight = 1,991.71 gm)Potassium 1.47 %
K Sodium 2.60 %
NaMagnesium 7.93 %
MgAluminum 9.48 %
AlSilicon 30.32 %
SiOxygen 48.20 %
O Empirical Formula: Na2.25K0.75Mg4Al4.5Mg2.5Si21.5Al2.5O60
IMA Status:Approved IMA 1969
Physical Properties: Color:colorless.
Density:2.7
Diaphaniety:Transparent
Hardness:5-6 - Between Apatite and Orthoclase
Luster:Vitreous (Glassy)
Streak:white
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