General Information:
Chemical Formula:
(Ni,Co)SeO3·2(H2O)
Composition:
(Molecular Weight = 221.74 gm)
Cobalt 6.64 % Co
Nickel 19.85 % Ni
Hydrogen 1.82 % H
Selenium 35.61 % Se
Oxygen 36.08 % O
Empirical Formula:
Ni0.75Co0.25(SeO3)·2(H2O)
Locality:
TL: Bolivia, Potos¡, Colquechaca
Physical Properties:
Cleavage:
[110] Distinct, [103] Distinct
Color:
pink brown, apple green, or red.
Density:
3.37
Diaphaniety:
Transparent
Hardness:
2-2.5 - Gypsum-Finger Nail
Luster:
Vitreous (Glassy)
Streak:
light green
More details...