IMA mineral species
Pyrrhotite
Fe₇S₈
Magnetic iron sulfide mineral deficient in Fe(II).
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Properties
⛏ Mohs hardness4
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | Fe₇S₈ |
|---|---|
| Elements | Fe, S |
| Crystal system | Monoclinic, Hexagonal |
| Mohs hardness | 4 |
| Density | — |
| Streak | black |
| Color | brown, bronze |
| IMA symbol | Pyh |
| Nickel–Strunz class | 2.CC.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 4: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Learn more
- Pyrrhotite on Mindat.org
- Wikipedia article
- Wikidata item Q421944 (source of this page's data – you can correct it there)
IMA mineral species
4–5
MonoclinicHexagonal
Brown
Soft, Scratches Easily