Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
| Chemical formula | KFe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O |
|---|---|
| Elements | K, Fe, As, O, H |
| Crystal system | Cubic |
| Mohs hardness | 2.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Pmsd |
| Nickel–Strunz class | 8.DK.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): United Kingdom · Carn Brea Village, 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
- Pharmacosiderite on Mindat.org
- Wikipedia article
- Wikidata item Q147136 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Cubic
YellowGreenBrown