IMA mineral species

Zippeite

🪶 Soft, Scratches Easily

K₃(UO₂)₄(SO₄)₂O₃(OH)·3H₂O

Uranyl sulfate mineral.

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Zippeite specimen
Zippeite-206357.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness2
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💅🪙🍶🔪💎

Scratches with a fingernail.

Chemical formulaK₃(UO₂)₄(SO₄)₂O₃(OH)·3H₂O
ElementsK, U, O, S, H
Crystal systemMonoclinic
Mohs hardness2
Density—
Streak—
Color—
IMA symbolZip
Nickel–Strunz class7.EC.05

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

🌍 Where it's found

Type locality (where it was first described): Elias mine, 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.