General Information:
Chemical Formula:
Ni2(CO3)(OH)2·(H2O)
Composition:
(Molecular Weight = 229.42 gm)
Nickel 51.16 % Ni
Hydrogen 1.76 % H
Carbon 5.24 % C
Oxygen 41.84 % O
Empirical Formula:
Ni2(CO3)(OH)2·(H2O)
Environment:
Late-stage fracture filling.
IMA Status:
Approved IMA 1977
Locality:
Nullagine region of WA, Australia.
Name Origin:
Named after Charles Albert Otway (1922-), minera and prospector of Cosnells, WA, Australia.
Physical Properties:
Color:
green or bright green.
Density:
3.41
Habits:
Fibrous - Crystals made up of fibers., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
4 - Fluorite
Luster:
Silky
Streak:
light green
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