Formula: (Ce,Fe)4S4
Origin of name: after locality Nukundamu, Fiji
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: copper-coloured
Diaphaneity: opaque
Luster: metallic
Habit: crystals hexagonal tabular, to 2 mm, in fan-shaped groups, irregular masses
Hardness: 3
Specific gravity: 4.30 to 4.49
Cleavage: 1; {0001} perfect
Tenacity:
Streak: dark gray to black
Synonyms/varieties:
Comments:
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