IMA mineral species

Marthozite

Cu²⁺(UO₂)₃(SeO₃)₂O₂ * 8H₂O

Uranyl selenite mineral.

GreenBrown

Marthozite specimen
Marthozite-jr-6b.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCu²⁺(UO₂)₃(SeO₃)₂O₂ * 8H₂O
ElementsCu, U, O, Se, H
Crystal system—
Mohs hardness6
Density4.44 g/cm³
Streak—
Color—
IMA symbolMhz
Nickel–Strunz class4.JJ.05

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

🌍 Where it's found

Type locality (where it was first described): Musonoi mine, Democratic Republic of the Congo

  • 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.