IMA mineral species
Wiserite
Mn²⁺₁₄(B₂O₅)₄(OH)₈·(Si,Mg)(O,OH)₄Cl
Borate mineral.
Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
| Chemical formula | Mn²⁺₁₄(B₂O₅)₄(OH)₈·(Si,Mg)(O,OH)₄Cl |
|---|---|
| Elements | Mn, B, O, H, Si, Mg, Cl |
| Crystal system | Tetragonal |
| Mohs hardness | 2.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Wis |
| Nickel–Strunz class | 6.BA.20 |
“—” 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): Gonzen iron mine, Switzerland
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Wiserite on Mindat.org
- Wikidata item Q4020497 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Tetragonal
Soft, Scratches Easily