Formula: Ni5(CO3)4(OH)2.4-5H2O
Origin of name: after locality, 132 North Nickel mine, 4 km SW of Widgiemooltha, 80 km S of Kalgoorlie, Western Australia, Australia
Crystal system: Monoclinic
Crystal class: 2/m
Twinning: possible
Unit cell: a = 10.06 Å, b = 8.75 Å, c = 8.32 Å, b = 114.3°
Colour: Bluish green, green
Diaphaneity: Transparent to semitransparent
Luster: Silky
Habit: spheroids 1-2 mm across of radiating fibers, massive
Hardness: 3.5
Specific gravity: 3.13
Cleavage:
Tenacity: Splintery, brittle
Streak: Pale blue-green, apple green
Synonyms/varieties:
Comments:
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