General Information:
Chemical Formula:
Fe+++2(TeO3)2(SO4)·3(H2O)
Composition:
(Molecular Weight = 613.00 gm)
Iron 18.22 % Fe
Tellurium 41.63 % Te
Hydrogen 0.99 % H
Sulfur 5.23 % S
Oxygen 33.93 % O
Empirical Formula:
Fe2+2(TeO3)2(SO4)·3(H2O)
IMA Status:
Approved IMA 1968
Physical Properties:
Cleavage:
[010] Perfect, [101] Good
Color:
brownish yellow, greenish yellow, or dark yellow.
Density:
3.75
Hardness:
2.5 - Finger Nail
Streak:
light yellow
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