IMA mineral species

Troilite

FeS

Rare iron sulfide mineral: FeS.

BrownGray

Troilite specimen
Sikhote alin.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFeS
ElementsFe, S
Crystal systemHexagonal
Mohs hardness—
Density4.294 g/cm³
Streak—
Color—
IMA symbolTro
Nickel–Strunz class2.CC.10

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

🌍 Where it's found

Type locality (where it was first described): Albareto meteorite, Italy

  • 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.