IMA mineral species
Cuatrocapaite-(NH4)
(NH₄)₃(NaMg☐)(As₂O₃)₆Cl₆·(H₂O)₁₆
Hydrous arsenite mineral.
Properties
🔷 Trigonal✏️ streak white
| Chemical formula | (NH₄)₃(NaMg☐)(As₂O₃)₆Cl₆·(H₂O)₁₆ |
|---|---|
| Elements | N, H, Na, Mg, As, O, Cl |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Ctc-NH4 |
| Nickel–Strunz class | 3.DC |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Torrecillas mine, Chile
- 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
- Cuatrocapaite-(NH4) on Mindat.org
- Wikidata item Q58832674 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal