General Information:
Chemical Formula:
(Y,U)(Ti,Nb)2(O,OH)6 (?)
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
None
Color:
brown, brownish black, dark brown, or black.
Density:
5
Luster:
Vitreous - Resinous
Streak:
dark brown
More details...