IMA mineral species
Zellerite
Ca(UO₂)(CO₃)₂ * 5H₂O
Uranyl carbonate mineral.
Properties
⛏ Mohs hardness2
💅🪙🍶🔪💎
Scratches with a fingernail.
| Chemical formula | Ca(UO₂)(CO₃)₂ * 5H₂O |
|---|---|
| Elements | Ca, U, O, C, H |
| Crystal system | Orthorhombic |
| Mohs hardness | 2 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Zel |
| Nickel–Strunz class | 5.EC.10 |
“—” 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): Fremont County, 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.
Learn more
- Zellerite on Mindat.org
- Wikipedia article
- Wikidata item Q4024118 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Orthorhombic
Soft, Scratches Easily