IMA mineral species
Amarantite
Fe³⁺₂O(SO₄)₂·7H₂O
Sulfate mineral.
Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
🔷 Triclinic✏️ streak lemon
| Chemical formula | Fe³⁺₂O(SO₄)₂·7H₂O |
|---|---|
| Elements | Fe, O, S, H |
| Crystal system | Triclinic |
| Mohs hardness | 2.5 |
| Density | — |
| Streak | lemon |
| Color | — |
| IMA symbol | Ama |
| Nickel–Strunz class | 7.DB.30 |
“—” 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): Caracoles, Chile
Learn more
- Amarantite on Mindat.org
- Wikipedia article
- Wikidata item Q454926 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Triclinic
RedOrangeBrown
Soft, Scratches Easily