IMA mineral species
Synadelphite
Mn²⁺₉(As₅+O₄)₂(As³⁺O₃)(OH)₉ · 2H₂O
Arsenate mineral.
Properties
| Chemical formula | Mn²⁺₉(As₅+O₄)₂(As³⁺O₃)(OH)₉ · 2H₂O |
|---|---|
| Elements | Mn, As, O, H |
| Crystal system | — |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Syd |
| Nickel–Strunz class | 8.BE.50 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Moss mine, Nordmark Odal field, Sweden
- 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.
Varieties & related stones
Learn more
- Synadelphite on Mindat.org
- Wikidata item Q3979119 (source of this page's data – you can correct it there)
IMA mineral species