IMA mineral species
Kampfite
Ba₁₂(Si₁₁Al₅)O₃₁(CO₃)₈Cl₅
Phyllosilicate mineral.
-Kampfite%20(bluish).jpg?width=480)
-Kampfite_(bluish).jpg){kind=link}
Properties
⛏ Mohs hardness3
💅🪙🍶🔪💎
A copper coin scratches it.
🔷 Monoclinic✏️ streak white
| Chemical formula | Ba₁₂(Si₁₁Al₅)O₃₁(CO₃)₈Cl₅ |
|---|---|
| Elements | Ba, Si, Al, O, C, Cl |
| Crystal system | Monoclinic |
| Mohs hardness | 3 |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Kpf |
| Nickel–Strunz class | 9.EG.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 3: 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): Esquire no. 1 claim, 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
- Kampfite on Mindat.org
- Wikipedia article
- Wikidata item Q1723332 (source of this page's data – you can correct it there)
IMA mineral species
3–4
Monoclinic
BlueGray
Soft, Scratches Easily