General Information:
Chemical Formula:
(Nd,Ce)(Nb,Ti)O4
Environment:
Rare-earth deposit.
IMA Status:
Not Approved
Locality:
Bayan Obo, Inner Mongolia, China.
Name Origin:
Named for the composition and a member of the fergusonite group.
Physical Properties:
Cleavage:
[???] Indistinct
Color:
dark brown.
Density:
4.5 - 5.7, Average = 5.09
Diaphaniety:
Translucent to Opaque
Hardness:
5.5-6.5
Luster:
Adamantine
Streak:
brown
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