General Information:
Chemical Formula:
(Pb,U,Ca)(Ti,Nb)2O6(OH,F)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
None
Color:
brown or yellow.
Density:
4.64
Diaphaniety:
Translucent to Opaque
Hardness:
4.5-5.5
Luster:
Adamantine
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