General Information:
Chemical Formula:
Sn++Ta2O6
Composition:
(Molecular Weight = 576.60 gm)
Tantalum 62.76 % Ta
Tin 20.59 % Sn
Oxygen 16.65 % O
Empirical Formula:
SnTa2O6
Physical Properties:
Cleavage:
[100] Perfect, [011] Indistinct
Color:
brown, yellowish, yellow brown, or resin brown.
Density:
7.6 - 7.9, Average = 7.75
Diaphaniety:
Translucent to Subopaque
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Adamantine - Resinous
Streak:
light yellow
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