Formula : NiS
System: trigonal Hardness:3-3½ Rarity:not common
Strunz id:II/C.21-30 -
SULFIDES
Name origin: Named by Wilhelm Haidinger in 1845 in honor of the English mineralogist, Professor William Hallowes Miller [April 6, 1801 Velindre, Wales, UK - May 20, 1880 Cambridge, England, UK], University of Cambridge, who first studied the crystals.
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