| Clinosafflorite | |
| Cobaltlotharmeyerite | | Ca(Co,Fe | | ,Ni) | | [AsO | | ] | | · 2(H | | O,OH) |
|
| Cobalttsumcorite | | Pb(Co,Fe | | ,Ni) | | [AsO | | ] | | · 2(H | | O,OH) |
|
| Nickellotharmeyerite | | Ca(Ni,Fe | | ,Co) | | [AsO | | ] | | · 2(H | | O,OH) |
|
| Nickelschneebergite | | (Bi | | ,Ca)(Ni,Co,Fe | | ) | | [AsO | | ] | | · 2(OH,H | | O) |
|
| Safflorite | |
| Schneebergite | | (Bi | | ,Ca)(Co,Ni,Fe | | ) | | [AsO | | ] | | · 2(OH,H | | O) |
|
| Skutterudite | |
| 'Smaltite' | |
| Smolianinovite | | (Co,Ni,Mg,Ca) | | (Fe | | ,Al) | | (AsO | | ) | | ·11H | | O |
|
| 'Unnamed (Ni,Fe,Co)AsS' | |
| Westerveldite | |