IMA mineral species
Ferroericssonite
BaFe²⁺₂Fe³⁺(Si₂O₇)O(OH)
Sorosilicate mineral.
Properties
⛏ Mohs hardness4.5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
🔷 Monoclinic✏️ streak brown
| Chemical formula | BaFe²⁺₂Fe³⁺(Si₂O₇)O(OH) |
|---|---|
| Elements | Ba, Fe, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | 4.5 |
| Density | — |
| Streak | brown |
| Color | — |
| IMA symbol | Fers |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 4.5: 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): Esquire No. 8 claim, United States · Esquire No. 7 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
- Ferroericssonite on Mindat.org
- Wikidata item Q19833636 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic
Soft, Scratches Easily