IMA mineral species

Gersdorffite

NiAsS

Nickel arsenide-sulfide (NiAsS) mineral.

GrayWhite & Clear

Gersdorffite specimen
Gersdorffite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness5.5
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Scratches glass; quartz scratches it.

⚖ Density5.9 g/cm³
Very heavy
Chemical formulaNiAsS
ElementsNi, As, S
Crystal systemCubic
Mohs hardness5.5
Density5.9 g/cm³
Streak—
Color—
IMA symbolGdf
Nickel–Strunz class2.EB.25

“—” means no reliable value in Wikidata yet. Check Mindat for full data.