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...
