IMA mineral species

Fletcherite

Cu(Ni,Co)₂S₄

Spinel, sulfide mineral.

BrownGrayWhite & Clear

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

Properties

Chemical formulaCu(Ni,Co)₂S₄
ElementsCu, Ni, Co, S
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFtc
Nickel–Strunz class2.DA.05

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

🌍 Where it's found

Type locality (where it was first described): Fletcher mine, United States

  • 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.