IMA mineral species

Leguernite

Bi₁₂.₆₇O₁₄(SO₄)₅

Bismuth oxysulfate mineral.

Properties

Chemical formulaBi₁₂.₆₇O₁₄(SO₄)₅
ElementsBi, O, S
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolLg

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

🌍 Where it's found

Type locality (where it was first described): La Fossa crater, 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.