General Information:
Chemical Formula:
In(AsO4)·2(H2O)
Composition:
(Molecular Weight = 289.77 gm)
Indium 39.62 % In
Arsenic 25.86 % As
Hydrogen 1.39 % H
Oxygen 33.13 % O
Empirical Formula:
In(AsO4)·2(H2O)
IMA Status:
Approved IMA
Locality:
Mangabeiras granite, Goias state, Brazil.
Name Origin:
The name is after "Yanomami", a northern-Brazil indian tribe
Physical Properties:
Cleavage:
[???] Indistinct
Color:
blue green, light green, or light yellow green.
Density:
3.87
Diaphaniety:
Transparent
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
More details...