IMA mineral species

Bayleyite

Mg₂(UO₂)(CO₃)₃ * 18H₂O

Uranyl carbonate mineral.

Yellow

Bayleyite specimen
Bayleyite-mrz186a.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMg₂(UO₂)(CO₃)₃ * 18H₂O
ElementsMg, U, O, C, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolByy
Nickel–Strunz class5.ED.05

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

🌍 Where it's found

Type locality (where it was first described): Hillside mine, United States

  • 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.