Crystopedia
IMA mineral species

Millerite

NiS

Sulfide mineral.

YellowGoldBrown

Millerite specimen
Millerite1 - Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNiS
ElementsNi, S
Crystal systemTrigonal
Mohs hardness3.5
Density5.374 g/cm³
Streak—
Color—
IMA symbolMlr
Nickel–Strunz class2.CC.20

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

🌍 Where it's found

Type locality (where it was first described): Jáchymov, Czech Republic

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

Learn more