IMA mineral species
Nahcolite
NaHCO₃
Carbonate mineral.
Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
⚖ Density2.305 g/cm³
Light
🔷 Monoclinic✏️ streak white
| Chemical formula | NaHCO₃ |
|---|---|
| Elements | Na, H, C, O |
| Crystal system | Monoclinic |
| Mohs hardness | 2.5 |
| Density | 2.305 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Nah |
| Nickel–Strunz class | 5.AA.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 2.5: 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): Mount Vesuvius, Italy
- 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
- Nahcolite on Mindat.org
- Wikipedia article
- Wikidata item Q1063298 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Monoclinic
BrownGrayWhite & Clear
Soft, Scratches Easily