General Information:
Chemical Formula:
(U,Y)(Ti,Nb,Ta)2O6
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Good
Color:
brown red.
Density:
5.5 - 6, Average = 5.75
Diaphaniety:
Opaque
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Adamantine
Streak:
grayish brown
More details...