General Information:
Chemical Formula:
(Ce,Na,Ca)2(Ti,Nb)2O6
IMA Status:
Approved IMA 1987
Locality:
Kola peninsula, northern Russia.
Physical Properties:
Color:
black.
Density:
4.77
Diaphaniety:
Opaque
Habits:
Twinning Common - Crystals are usually twinned., ,
Hardness:
5.5 - Knife Blade
Luster:
Adamantine - Metallic
Streak:
reddish brown
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