General Information:
Chemical Formula:(Na,La,Ca)(Nb,Ti)O3
Environment:In a hydrothermally altered pegmatite vein cutting ijolite-urtite. A polymorph of lueshite.
IMA Status:Approved IMA (Dana # Added)
Locality:The Kukisvumchorr apatite deposit, southern part of the Khibina alkaline massif, Kola Peninsula, Russia.
Name Origin:The name reflects its isometric habit, optical isotropism and compositional similarity to its orthorhombic polymorph, lueshite.
Physical Properties: Cleavage:None
Color:brownish black.
Density:4.72
Diaphaniety:Opaque to subtranslucent
Habits:Euhedral Crystals - Occurs as well-formed crystals showing good external form., ,
Hardness:5.5 - Knife Blade
Luster:Adamantine
Streak:pale yellow
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