General Information:
Chemical Formula:
Fe++Sb+++++2O6
Composition:
(Molecular Weight = 395.34 gm)
Iron 14.13 % Fe
Antimony 61.59 % Sb
Oxygen 24.28 % O
Empirical Formula:
Fe2+Sb2O6
Locality:
Tripuhy valley (today Tripu¡ !!) near Ouro Preto.
Name Origin:
Named after its locality.
Physical Properties:
Color:
brownish black, greenish yellow, yellow, or dark brown.
Density:
5.82
Diaphaniety:
Translucent
Hardness:
7 - Quartz
Streak:
yellow
More details...