General Information:
Chemical Formula:
SbNbO4
Composition:
(Molecular Weight = 278.65 gm)
Niobium 33.34 % Nb
Antimony 43.69 % Sb
Oxygen 22.97 % O
Empirical Formula:
SbNbO4
Physical Properties:
Cleavage:
[010] Indistinct, [100] Indistinct
Color:
brown, brownish yellow, greenish yellow, or reddish brown.
Density:
5.98
Diaphaniety:
Transparent to Translucent
Hardness:
5.5 - Knife Blade
Luster:
Adamantine - Resinous
Streak:
brownish yellow
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