Properties
⛏ Mohs hardness4.5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | Cu₃PbO(AsO₃OH)₂(OH)₂ |
|---|---|
| Elements | Cu, Pb, O, As, H |
| Crystal system | Monoclinic |
| Mohs hardness | 4.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Bay |
| Nickel–Strunz class | 8.BH.45 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Penberthy Croft Mine, United Kingdom
- 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
- Bayldonite on Mindat.org
- Wikipedia article
- Wikidata item Q421461 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic
Green