Uranopolycrase

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
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