General Information:
Chemical Formula:
(Ni,Mg,Fe++)CO3
Composition:
(Molecular Weight = 108.10 gm)
Magnesium 6.75 % Mg
Iron 5.17 % Fe
Nickel 32.58 % Ni
Carbon 11.11 % C
Oxygen 44.40 % O
Empirical Formula:
Ni0.6Mg0.3Fe2+0.1(CO3)
Environment:
Green mineral formed from the oxidation of nickel-rich rock.
IMA Status:
Approved IMA 1966
Locality:
It was first described from the Gaspe Peninsula in Quebec, but has been reported from elsewhere, including western Australia.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[1011] Good
Color:
light green.
Density:
3.71
Diaphaniety:
Transparent to Translucent
Hardness:
4-5 - Fluorite-Apatite
Luster:
Vitreous - Dull
Streak:
yellow green
More details...