IMA mineral species

Oyonite

Ag₃Mn₂Pb₄Sb₇As₄S₂₄

Lillianite mineral.

Black

Oyonite specimen
Oyonite.png · Wikimedia Commons (see file page for author & license)

Properties

🔷 Monoclinic✏️ streak black
Chemical formulaAg₃Mn₂Pb₄Sb₇As₄S₂₄
ElementsAg, Mn, Pb, Sb, As, S
Crystal systemMonoclinic
Mohs hardness—
Density—
Streakblack
Colorblack
IMA symbolOyo
Nickel–Strunz class2.JB.40a

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

🌍 Where it's found

Type locality (where it was first described): Uchucchacua, Peru

  • 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.