Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
⚖ Density4.3 g/cm³
Heavy
🔷 Tetragonal✏️ streak black
| Chemical formula | (Fe,Ni)₉S₈ |
|---|---|
| Elements | Fe, Ni, S |
| Crystal system | Tetragonal |
| Mohs hardness | 2.5 |
| Density | 4.3 g/cm³ |
| Streak | black |
| Color | — |
| IMA symbol | Mkw |
| Nickel–Strunz class | 2.CC.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Mackinawite on Mindat.org
- Wikipedia article
- Wikidata item Q417794 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Tetragonal
BrownGrayWhite & Clear