General Information:
Chemical Formula:(Ca,Na)3(Mn,Mg)2(AsO4)3
Composition:(Molecular Weight = 618.74 gm)Sodium 2.79 %
NaCalcium 14.57 %
CaMagnesium 1.96 %
MgManganese 13.32 %
MnArsenic 36.33 %
AsOxygen 31.03 %
O Empirical Formula: Ca2.25Na0.75Mn2+1.5Mg0.5(AsO4)3
Physical Properties: Cleavage:None
Color:grayish yellow, yellowish red, honey yellow, or orange.
Density:4.21 - 4.46, Average = 4.33
Diaphaniety:Transparent to Translucent
Hardness:4.5-5
Luster:Resinous
Streak:white
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