General Information:
Chemical Formula:Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O)
IMA Status:Approved IMA 1966
Physical Properties:
Cleavage:None
Color:brownish yellow, brownish black, dark brown, or dark red.
Density:3.9
Diaphaniety:Translucent to Opaque
Hardness:5.5-6 - Knife Blade-Orthoclase
Luster:Sub Metallic
Streak:yellowish brown
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