IMA mineral species

Jáchymovite

Uranyl sulfate mineral.

Properties

Chemical formula—
Elements—
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolJác
Nickel–Strunz class7.EA.10

“—” 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.