| Aikinite | |
| 'Aktashite' | |
| 'Alisonite' | |
| Alpersite | |
| Alumoklyuchevskite | |
| Angelaite | |
| Anilite | |
| Antlerite | |
| 'Apthonite' | |
| Arcubisite | |
| 'Argentoaikinite' | |
| 'Argentocuprocosalite' | |
| Argentotennantite | |
| 'Argyrodite Group' | | A | | B | | X | | Y | | where A = Ag | | , Cu | | , Cd | | , etc·; B = Ga | | , Si | | , Ge | | , Sn | | , P | | , etc·; X = S, Se, Te; Y = Cl, Br, I |
|
| 'Arsenian Renierite' | |
| 'Arsenosulvanite' | |
| Arsentsumebite | |
| Arthurite | | CuFe | | [(OH,O)|(AsO | | ,PO | | ,SO | | )] | | · 4H | | O |
|
| 'Arzrunite' | |
| Atlasovite | |
| Aubertite | |
| Balkanite | |
| Barquillite | |
| 'Bayankhanite' | |
| Beaverite | |
| Bechererite | | (Zn,Cu) | | Zn | | [(OH) | | |(SO | | ,HSiO | | ) | | ] |
|
| Benjaminite | |
| Berryite | |
| Betekhtinite | |
| Birchite | |
| 'Bismuthian Tetrahedrite' | |
| 'Blaubleibender Covellite' | |
| Bonattite | |
| Boothite | |
| Bornite | |
| Bournonite | |
| Briartite | |
| Brochantite | |
| Caledonite | |
| Calvertite | |
| Camerolaite | | Cu | | Al | | [(OH) | | |CO | | |(HSbO | | ,SO | | )] · 2H | | O |
|
| Campigliaite | |
| Carbonatecyanotrichite | |
| 'Carnevallite' | |
| Carrboydite | | (Ni,Cu) | | Al | | [(OH) | | |(SO | | ,CO | | ) | | ] · 7H | | O |
|
| Carrollite | |
| 'Castaingite' | |
| Catamarcaite | |
| Černýite | |
| Chalcanthite | |