| Abelsonite (A) | Alumino-taramite (R) | Ardaite (A) |
| Abenakiite-(Ce) (A) | alumino-tschermakite (A) | Ardealite (G) |
| Abernathyite (G) | Alumino-winchite (A) | Ardennite (G) |
| Abhurite (A) | Alumohydrocalcite (G) | Arfvedsonite (A) |
| Abswurmbachite (A) | Alumoklyuchevskite (A) | Argentite (Q) |
| Acanthite (G) | Alumopharmacosiderite (A) | Argentojarosite (G) |
| Acetamide (A) | Alumotantite (A) | Argentopentlandite (A) |
| Achavalite (G) | Alumotungstite (A) | Argentopyrite (G) |
| Actinolite (A) | Alunite (G) | Argentotennantite (A) |
| Acuminite (A) | Alunogen (G) | Argutite (A) |
| Adamite (G) | Alushtite (Q) | Argyrodite (G) |
| Adamsite-(Y) (A) | Alvanite (G) | Arhbarite (A) |
| Adelite (G) | Amakinite (G) | Aristarainite (A) |
| Admontite (A) | Amarantite (G) | Arkelite (Q) |
| Aegirine (A) | Amarillite (G) | Armalcolite (R) |
| Aegirine-augite (R) | Amber (G) | Armangite (G) |
| Aenigmatite (G) | Amblygonite (G) | Armenite (G) |
| Aerinite (R) | Ameghinite (A) | Armstrongite (A) |
| Aerugite (G) | Amesite-2A (P) | Arnhemite (N) |
| Aeschynite-(Ce) (A) | Amesite-2H2 (G) | Arrojadite (G) |
| Aeschynite-(Nd) (A) | Amesite-6R (P) | Arsenbrackebuschite (A) |
| Aeschynite-(Y) (A) | Amicite (A) | Arsendescloizite (A) |
| Afanayevaite (N) | Aminoffite (G) | Arsenic (G) |
| Afghanite (A) | Ammonioalunite (A) | Arseniodialyte (Q) |
| Afwillite (G) | Ammonioborite (G) | Arseniopleite (Q) |
| Agardite-(Ce) (N) | Ammoniojarosite (G) | Arseniosiderite (G) |
| Agardite-(La) (A) | Ammonioleucite (A) | Arsenoclasite (G) |
| Agardite-(Nd) (N) | Amstallite (A) | Arsenocrandallite (A) |
| Agardite-(Y) (A) | Analcime-1C (A) | Arsenoflorencite-(Ce) (A) |
| Agrellite (A) | Analcime-1M (P) | Arsenoflorencite-(La) (N) |
| Agrinierite (A) | Analcime-1O (P) | Arsenoflorencite-(Nd) (N) |
| Aguilarite (G) | Analcime-1Q (P) | Arsenogorceixite (A) |
| Aheylite (A) | Anandite-2M1 (A) | Arsenogoyazite (A) |
| Ahlfeldite (G) | Anandite-2O (P) | Arsenohauchecornite (A) |
| Aikinite (G) | Anapaite (G) | Arsenolamprite (G) |
| Ajoite (G) | Anatase (G) | Arsenolite (G) |
| Akaganéite (A) | Ancylite-(Ce) (A) | Arsenopalladinite (R) |
| Akatoreite (A) | Ancylite-(La) (A) | Arsenopyrite (G) |
| Akdalaite (A) | Andalusite (G) | Arsenosulvanite (Q) |
| Åkermanite (G) | Andersonite (G) | Arsenowaylandite (N) |
| Akhtenskite (A) | Andesine (G) | Arsenpolybasite (N) |
| Akimotoite (A) | Andorite IV (G) | Arsentsumebite (G) |
| Akrochordite (G) | Andorite VI (G) | Arsenuranospathite (G) |
| Aksaite (G) | Andradite (G) | Arsenuranylite (G) |
| Aktashite (G) | Andremeyerite (A) | Arthurite (A) |
| Alabandite (G) | Androsite-(La) (A) | Artinite (G) |
| Alacranite (A) | Anduoite (N) | Artroeite (A) |
| Alamosite (G) | Andyrobertsite (A) | Artsmithite (A) |
| Alarsite (A) | Angelellite (G) | Arupite (A) |
| Albite (G) | Anglesite (G) | Arzakite (N) |
| Albrechtschraufite (A) | Anhydrite (G) | Arzrunite (Q) |
| Aldermanite (A) | Anhydrokainite (Q) | Asbecasite (A) |
| Aleksite (A) | Anilite (A) | Asbolane (G) |
| Alforsite (A) | Ankangite (A) | Aschamalmite (A) |
| Algodonite (G) | Ankerite (G) | Ashburtonite (A) |
| Aliettite (R) | Annabergite (G) | Ashcroftine-(Y) (A) |
| Allabogdanite (A) | Annite (A) | Ashoverite (A) |
| Allactite (G) | Annivite (Q) | Asisite (A) |
| Allanite-(Ce) (A) | Anorthite (G) | Aspidolite (R) |
| Allanite-(La) (A) | Anorthoclase (G) | Asselbornite (A) |
| Allanite-(Y) (A) | Anorthominasragrite (A) | Astrocyanite-(Ce) (A) |
| Allargentum (R) | Antarcticite (A) | Astrophyllite (G) |
| Alleghanyite (G) | Anthoinite (G) | Atacamite (G) |
| Alloclasite (G) | Anthonyite (G) | Atelestite (G) |
| Allophane (G) | Anthophyllite (R) | Athabascaite (A) |
| Alluaivite (A) | Antigorite (G) | Atheneite (A) |
| Alluaudite (R) | Antimonpearceite (N) | Atlasovite (A) |
| Almandine (G) | Antimonselite (A) | Atokite (A) |
| Almeraite (Q) | Antimony (G) | Attakolite (R) |
| Alsaharovite-Zn (A) | Antitaenite (N) | Aubertite (A) |
| Alstonite (G) | Antlerite (G) | Augelite (G) |
| Altaite (G) | Anyuiite (A) | Augite (A) |
| Althausite (A) | Apachite (A) | Aurichalcite (G) |
| Althupite (A) | Apatite series | Auricupride (G) |
| Altisite (A) | Aphthitalite (G) | Auroantimonate (N) |
| Aluminite (G) | Apjohnite (G) | Aurorite (A) |
| Aluminium (A) | Aplowite (A) | Aurostibite (G) |
| Aluminobarroisite (A) | Apophyllite | Austinite (G) |
| Aluminoceladonite (A) | Apuanite (A) | Autunite (G) |
| Aluminocopiapite (G) | Aragonite (G) | Averievite (A) |
| Alumino-ferrobarroisite (A) | Arakiite (A) | Avicennite (G) |
| Alumino-ferro-hornblende (A) | Aramayoite (G) | Avogadrite (G) |
| Alumino-ferrotschermakite (A) | Aravaipaite (A) | Awaruite (G) |
| Alumino-katophorite (A) | Arcanite (G) | Azoproite (A) (Asoproite) |
| Alumino-magnesio-hornblende (A) | Archerite (A) | Azovskite (Q) |
| Alumino-magnesiotaramite (A) | Arctite (A) | Azurite (G) |
| Arcubisite (A) | ||