Yanomamite

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
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