IMA mineral species

Parauranophane

Ca(UO₂)₂(SiO₃OH)₂·5H₂O

Uranyl nesosilicate mineral.

Parauranophane specimen
Uranophane-alpha and Uranophane-beta.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa(UO₂)₂(SiO₃OH)₂·5H₂O
ElementsCa, U, O, Si, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPurp
Nickel–Strunz class9.AK.15

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

🌍 Where it's found

Type locality (where it was first described): Jáchymov, Czech Republic

  • 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.