Formula: Ni2(CO3)(OH)2
Origin of name: after locality Nullagine, Western Australia
Crystal system: monoclinic
Crystal class: 2 or 2/m
Twinning:
Unit cell: a = 9.26 Å, b = 12.00 Å, c = 3.09 Å, b = 90.5°
Colour: bright green, dark green
Diaphaneity: transparent to translucent
Luster: silky to dull
Habit: cross-fiber veinlets, ovoid to irregular nodules to 2 mm
Hardness: 1.5 - 2
Specific gravity: 3.56
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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