IMA mineral species
Folvikite
Sb⁵⁺Mn³⁺(Mg,Mn²⁺)₁₀O₈(BO₃)₄
Borate mineral.
Properties
⛏ Mohs hardness6
💅🪙🍶🔪💎
Scratches glass; quartz scratches it.
| Chemical formula | Sb⁵⁺Mn³⁺(Mg,Mn²⁺)₁₀O₈(BO₃)₄ |
|---|---|
| Elements | Sb, Mn, Mg, O, B |
| Crystal system | Monoclinic |
| Mohs hardness | 6 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Fvk |
| Nickel–Strunz class | 6.AB.35 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kitteln mine, Nordmark Odal field, Sweden
Learn more
- Folvikite on Mindat.org
- Wikidata item Q26985001 (source of this page's data – you can correct it there)
IMA mineral species
6–7
Monoclinic