IMA mineral species

Bobcookite

NaAl(UO₂)₂(SO₄)₄·18H₂O

Uranyl sulfate mineral.

Bobcookite specimen
Rietveldite, Bobcookite, Ferricopiapite-805465.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaAl(UO₂)₂(SO₄)₄·18H₂O
ElementsNa, Al, U, O, S, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolBbc

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

🌍 Where it's found

Type locality (where it was first described): Blue Lizard 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.