General Information:
Chemical Formula:
Ta2O5
Composition:
(Molecular Weight = 441.89 gm)
Tantalum 81.90 % Ta
Oxygen 18.10 % O
Empirical Formula:
Ta2O5
Environment:
Granitic pegmatites.
Locality:
Kola region, Russia.
Name Origin:
Named for its composition (Tantalum).
Physical Properties:
Cleavage:
None
Color:
colorless.
Density:
8.45
Diaphaniety:
Transparent
Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
Hardness:
7 - Quartz
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Streak:
white
More details...