| Metal arsenides | Arsenic sulfides | Elemental arsenic | Arsenic oxide |
| Arsenopyrite (FeAsS) | Realgar (As4S4) Auripiment (As2S3) | Arsenic (As), (with strong acids → Arsenic acid) | Arsenolite (As2O3), → (weathering product) |
| Glanzcobalt (CoAsS) | Proustite (Ag3AsS3) |
|
|
| Arsennickl (NiAsS) | Enargite (Cu3AsS4) |
|
|
| Löllingite (FeAs2) | Tennantite (Cu, Fe, Zn As2S3) |
|
|
| Chloantite (NiAs2-3) |
|
|
|
| Rammelsbergite (NiAs1-2) |
|
|
|
| Safflorite (CoAs2-3) |
|
|
|
| Linnaeite Co3S4 |
|
|
|