Crystopedia
IMA mineral species

Tyrrellite

Cu(Co,Ni)₂Se₄

Spinel, selenide mineral.

Brown

Tyrrellite specimen
Tyrrellite, Chalcomenite, Umangite-652476.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Cubic✏️ streak black
Chemical formulaCu(Co,Ni)₂Se₄
ElementsCu, Co, Ni, Se
Crystal systemCubic
Mohs hardness—
Density—
Streakblack
Color—
IMA symbolTy
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): Beaverlodge Lake, Canada

  • 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.

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