IMA mineral species
Mawbyite
Pb(Fe₁.₅,Zn₀.₅)(AsO₄)₂(OH)₁.₅(H₂O)₀.₅
Hydrous arsenate mineral.
Properties
⛏ Mohs hardness4
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
⚖ Density5.365 g/cm³
Very heavy
🔷 Monoclinic✏️ streak yellow-orange
| Chemical formula | Pb(Fe₁.₅,Zn₀.₅)(AsO₄)₂(OH)₁.₅(H₂O)₀.₅ |
|---|---|
| Elements | Pb, Fe, Zn, As, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | 4 |
| Density | 5.365 g/cm³ |
| Streak | yellow-orange |
| Color | — |
| IMA symbol | Mby |
| Nickel–Strunz class | 8.CG.15 |
“—” 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.
🌍 Where it's found
Type locality (where it was first described): Kintore opencut, Broken Hill South mine, Australia
- 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
- Mawbyite on Mindat.org
- Wikipedia article
- Wikidata item Q3853007 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic
Soft, Scratches Easily