IMA mineral species

Masuyite

Pb(UO₂)₃O₃(OH)₂ * 3H₂O

Uranyl hydroxide mineral.

Masuyite specimen
Becquerelite-Masuyite-Fourmarierite-180987.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density5.08 g/cm³
Very heavy
Chemical formulaPb(UO₂)₃O₃(OH)₂ * 3H₂O
ElementsPb, U, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density5.08 g/cm³
Streak—
Color—
IMA symbolMsy
Nickel–Strunz class4.GB.35

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

🌍 Where it's found

Type locality (where it was first described): Shinkolobwe 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.