General Information:
Chemical Formula:
CaMg(AsO4)F
Composition:
(Molecular Weight = 222.30 gm)
Calcium 18.03 % Ca
Magnesium 10.93 % Mg
Arsenic 33.70 % As
Oxygen 28.79 % O
Fluorine 8.55 % F
Empirical Formula:
CaMg(AsO4)F
Locality:
STER
Physical Properties:
Cleavage:
[101] Good
Color:
violet gray, green, gray, or pink brown.
Density:
3.77
Diaphaniety:
Translucent
Hardness:
5 - Apatite
Luminescence:
Fluorescent.
Luster:
Vitreous - Resinous
More details...