General Information:
Chemical Formula:Fe+++2Te++++3O9·2(H2O)
Composition:(Molecular Weight = 674.52 gm)Iron 16.56 %
FeTellurium 56.75 %
TeHydrogen 0.60 %
H Oxygen 26.09 %
O Empirical Formula: Fe3+2Te3O9·2(H2O)
Physical Properties: Cleavage:[010] Perfect
Color:yellow or greenish yellow.
Density:4.52 - 4.53, Average = 4.52
Diaphaniety:Transparent to Translucent
Habits:Mammillary - Larger "breast-like" rounded forms resembling botryoidal (e.g. malachite)., ,
Hardness:2-2.5 - Gypsum-Finger Nail
Luminescence:Non-fluorescent.
Luster:Vitreous - Dull
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