General Information:
Chemical Formula:
(Fe++,Mn,Mg)3(PO4)2
Physical Properties:
Cleavage:
[???] Perfect
Color:
red, purplish blue, green, or reddish brown.
Density:
3.64 - 3.73, Average = 3.68
Diaphaniety:
Transparent to Translucent
Habits:
Fibrous - Crystals made up of fibers., ,
Hardness:
4 - Fluorite
Luminescence:
Non-fluorescent.
Luster:
Silky
Streak:
white
More details...