Properties
⛏ Mohs hardness7.5
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
⚖ Density7.016 g/cm³
Very heavy
| Chemical formula | HfSiO₄ |
|---|---|
| Elements | Hf, Si, O |
| Crystal system | Tetragonal |
| Mohs hardness | 7.5 |
| Density | 7.016 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Haf |
| Nickel–Strunz class | 9.AD.30 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Hafnon on Mindat.org
- Wikipedia article
- Wikidata item Q517231 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Tetragonal
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