Minerals starting with A

List

Abellaite NaPb2+2(CO3)2(OH)
Abelloemringerite Cu2+2Pb2+2Mn3+Mn4+3O11(OH)(H2O)2·H2O
Abelsonite Ni2+C31H32N4
Abenakiite-(Ce) Na26Ce3+6(SiO3)6(PO4)6(CO3)6(S4+O2)O
Abernathyite K(U6+O2)As5+O4·3H2O
Abhurite Sn2+21O6(OH)14Cl16
Abramovite Pb2+2Sn4+In3+Bi3+S2-7
Abswurmbachite Cu2+Mn3+6O8(SiO4)
Abuite CaAl2(PO4)2F2
Acanthite Ag1+2S2-
Acanthite Ag1+2S2-
Acetamide CH3CONH2
Acetaminophen C₈H₉NO₂
Achalaite Fe2+Ti4+Nb5+2O8
Achávalite FeSe
Achyrophanite (K,Na)3(Fe3+,Ti4+,Al,Mg)5O2(As5+O4)5
Acmonidesite (N3-H4,K,Pb2+,Na)9Fe2+4(S6+O4)5Cl8
Actinolite Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2
Acuminite SrAlF4(OH)·H2O
Adachiite CaFe2+3Al6(Si5AlO18)(BO3)3(OH)3(OH)
Adamite Zn2+2As5+O4(OH)
adamsite-(Y) NaY(CO3)2·6H2O
Adanite Pb2+2(Te4+O3)(S6+O4)
Addibischoffite Ca2Al6Al6O20
Adelite CaMgAs5+O4(OH)
Admontite MgB6O10·7H2O
Adolfpateraite K(U6+O2)(S6+O4)(OH)(H2O)
Adranosite (N3-H4)4NaAl2(S6+O4)4Cl(OH)2
Adranosite-(Fe) (N3-H4)4NaFe3+2(S6+O4)4Cl(OH)2
Adrianite Ca12(Al4Mg3Si7)O32Cl6
Aegirine NaFe3+Si2O6
Aegirine-augite (Ca,Na)(Fe3+,Mg,Fe2+)Si2O6
Aenigmatite Na4(Fe2+10Ti4+2)O4[Si12O36]
Aerenite (Ca,Na)₆(Fe³⁺,Fe²⁺,Mg,Al)₄(Al,Mg)₆Si₁₂O₃₆(OH)₁₂(CO₃) · 12H₂O
Aerinite (Ca,Na)6(Fe3+,Fe2+,Mg,Al)4(Al,Mg)6Si12O36(OH)12(CO3)·12H2O
Aerugite Ni2+8.5(As5+O4)2As5+O8
Aeschynite-(Ce) Ce3+(Ti4+Nb5+)O6
Aeschynite-(Nd) Nd(Ti4+Nb5+)O6
Aeschynite-(Y) Y(Ti4+Nb5+)O6
Afghanite (Na,K)22Ca10(Si24Al24)O96(S6+O4)6Cl6
Afghanite (Na,K)22Ca10(Si24Al24)O96(S6+O4)6Cl6
Afmite Al3(OH)4(H2O)3(PO4)(PO3OH)·H2O
Afwillite Ca3(SiO4)(SiO2(OH)2)·2H2O
Agaite Pb2+3Cu2+Te6+O5(OH)2(CO3)
Agakhanovite-(Y) YCa☐2KBe3Si12O30
Agardite-(Ce) Cu2+6Ce3+(As5+O4)3(OH)6·3H2O
Agardite-(La) Cu2+6La3+(As5+O4)3(OH)6·3H2O
Agardite-(Nd) Cu2+6Nd(As5+O4)3(OH)6·3H2O
Agardite-(Y) Cu2+6Y(As5+O4)3(OH)6·3H2O
Agate SiO₂
Agmantinite Ag1+2Mn2+Sn4+S2-4
Agrellite NaCa2Si4O10F
Agricolaite K4(U6+O2)(CO3)3
Agrinierite K2Ca[(U6+O2)3O3(OH)2]2·5H2O
Aguilarite Ag1+4Se2-S2-
Aheylite Fe2+Al6(PO4)4(OH)8·4H2O
Ahlfeldite Ni2+Se4+O3·2H2O
Ahrensite SiFe2+2O4
Aikinite Cu1+Pb2+Bi3+S2-3
Aiolosite Na2(Na2Bi3+)(S6+O4)3Cl
Airdite Sr(V4+O)2(PO4)2·4H2O
Ajoite K3Cu2+20Al3Si29O76(OH)16·8H2O
Ajoite K3Cu2+20Al3Si29O76(OH)16·8H2O
Akaganeite (Fe3+,Ni2+)8(OH,O)16Cl1.25·nH2O
Akaogiite Ti4+O2
Akasakaite-(Ce) CaCe3+(Al2Mn2+)(Si2O7)(SiO4)O(OH)
Akasakaite-(La) CaLa(Al2Mn2+)(Si2O7)(SiO4)O(OH)
Akatoreite Mn2+9Al2Si8O24(OH)8
Akdalaite Al5O7(OH)
Akhtenskite Mn4+O2
Akimotoite MgSiO3
Aklimaite Ca4[Si2O5(OH)2](OH)4·5H2O
Akopovaite Al4Li2(OH)12(CO3)(H2O)3
Akrochordite Mn2+Mn2+2Mn2+2(As5+O4)2(OH)4(H2O)4
Aksaite MgB6O7(OH)6·2H2O
Aktashite Cu1+6Hg2+3As3+4S2-12
Alabandite Mn2+S2-
Alacránite As8S9
Alamosite Pb2+SiO3
Alarsite AlAs5+O4
Albertiniite Fe2+(S4+O3)·3H2O
Albite NaAlSi3O8
Albrechtschraufite Ca4Mg(U6+O2)2(CO3)6F2·17H2O
Alburnite Ag1+8GeTe2-2S2-4
Alcantarillaite [Fe3+0.5(H2O)4][CaAs3+2(Fe3+2.5W6+0.5)(As5+O4)2O7]
Alcaparrosaite K3Ti4+Fe3+(S6+O4)4O·2H2O
Aldermanite [Mg(H2O)6][Na(H2O)2Al3(PO4)2(OH)6]·H2O
Aldomarinoite Sr2Mn3+(As5+O4)2(OH)
Aldridgeite (Cd2+,Ca)(Cu2+,Zn2+)4(S6+O4)2(OH)6·3H2O
Aleksandrovite KCa7Sn4+2Li3Si12O36F2
Aleksite Pb2+Bi3+2Te2-2S2-2
Aleutite [Cu2+5O2](As5+O4)(V5+O4)·(Cu2+0.5☐0.5)Cl
Alexearlite Hg2+3(Mo6+O4)S2-2
Alexkhomyakovite K6(Ca2Na)(CO3)5Cl·6H2O
Alexkuznetsovite-(Ce) Ce3+2Mn2+(CO3)(Si2O7)
Alexkuznetsovite-(La) La2Mn2+(CO3)(Si2O7)
Alflarsenite NaCa2Be3Si4O13(OH)·2H2O
Alforsite Ba5(PO4)3Cl
Alfredcasparite Sr2Ti4+O(Si2O7)
Alfredopetrovite Al2(Se4+O3)3·6H2O
Alfredstelznerite Ca4B16O16(OH)24·19H2O
Algodonite Cu1-xAsx (x ≈ 1/7)
Alicewilsonite-(YCe) Na2Sr2YCe3+(CO3)6·3H2O
Alicewilsonite-(YLa) Na2Sr2YLa(CO3)6·3H2O
Aliettite Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O
Allabogdanite (Fe,Ni)2P
Allactite Mn2+7(As5+O4)2(OH)8
Allanite-(Ce) CaCe3+Al2Fe2+(Si2O7)(SiO4)O(OH)
Allanite-(La) CaLaFe2+Al2(Si2O7)(SiO4)O(OH)
Allanite-(Nd) CaNdAl2Fe2+(Si2O7)(SiO4)O(OH)
Allanite-(Sm) CaSm(Al2Fe2+)(Si2O7)(SiO4)O(OH)
Allanite-(Y) CaYAl2Fe2+(Si2O7)(SiO4)O(OH)
Allanpringite Fe3+3(PO4)2(OH)3·5H2O
Allantoin C4H6N4O3
Allargentum Ag1-xSbx (x=0.09-0.16)
Alleghanyite Mn2+5(SiO4)2(OH)2
Allendeite Sc4Zr4+3O12
Allochalcoselite Cu1+Cu2+5Pb2+O2(Se4+O3)2Cl5
Alloclasite Co3+(AsS)3-
Allophane Al2O3(SiO2)1.3-2.0·2.5-3.0H2O
Alloriite (Na,K,Ca)24(Na,Ca)4Ca4(Si,Al)48O96(S6+O4)4(S4+O3,CO3)2(OH,Cl)2(H2O,OH)4
Alluaivite Na19(Ca,Mn2+)6(Ti4+,Nb5+)3Si26O74Cl·2H2O
Alluaudite ☐NaMn2+Fe3+2(PO4)3
Almagreraite Cu2+Zn2+Mn4+3O8
Almarudite K(☐,Na)2(Mn2+,Fe2+,Mg)2[(Be,Al)3Si12]O30
Almeidaite Pb2+Zn2+2(Mn2+,Y)(Ti4+,Fe3+)18O36(OH,O)2
Alnaperbøeite-(Ce) (CaCe3+2.5Na0.5)Al4(Si2O7)(SiO4)3O(OH)2
Alpeite Ca4Mn3+2Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6
Alpersite MgS6+O4·7H2O
Alpha-D lactose monohydrate C12H24O12
Alsakharovite-Zn NaSrKZn2+(Ti4+,Nb5+)4(Si4O12)2(O,OH)4·7H2O
AlSO4(OH) AlSO4(OH)
Alstonite BaCa(CO3)2
Altaite Pb2+Te2-
Alterite Zn2+2Fe3+4(S6+O4)4((C2)6+O4)2(OH)4·17H2O
Althausite Mg4(PO4)2(OH,O)(F,☐)
Althupite AlTh4+(U6+O2)7(PO4)4O2(OH)5·15H2O
Altisite Na3K6Ti4+2Al2Si8O26Cl3
Alum-(K) KAl(S6+O4)2·12H2O
Alum-(Na) NaAl(S6+O4)2·12H2O
Aluminite Al2S6+O4(OH)4·7H2O
Aluminium Al
Alumino-ferrobarroisite ☐NaCa(Fe2+3Al2)(Si7Al)O22(OH)2
Alumino-ferrohornblende Ca2(Fe2+4Al)(Si7Al)O22(OH)2
Alumino-ferrotschermakite ☐Ca2(Fe2+3Al2)(Si6Al2)O22(OH)2
Alumino-ferrowinchite ☐NaCa(Fe2+,Al)5Si8O22(OH)2
Alumino-magnesiohornblende Ca2(Mg4Al)(Si7Al)O22(OH)2
Alumino-magnesiotaramite Na2CaMg3Al2(Si6Al2)O22(OH)2
Alumino-ottoliniite ☐NaLi(Mg3Al2)Si8O22(OH)2
Alumino-oxy-rossmanite Al3Al6(Si5AlO18)(BO3)3(OH)3O
Aluminobarroisite ☐NaCa(Mg3Al2)(Si7Al)O22(OH)2
Aluminoceladonite K(Mg,Fe2+)AlSi4O10(OH)2
Aluminocerite-(CeCa) (Ce3+6Ca3)☐Al(SiO4)3(SiO3OH)4(OH)3
Aluminocopiapite (Al,Mg)Fe3+4(S6+O4)6(OH,O)2·20H2O
Aluminocoquimbite Al2Fe3+2(S6+O4)6(H2O)12·9H2O
Aluminokatophorite Na2CaFe2+4Al(Si7Al)O22(OH)2
Aluminomagnesiohulsite Mg2AlO2(BO3)
Aluminopyracmonite (N3-H4)3Al(S6+O4)3
Aluminosugilite KNa2Al2Li3Si12O30
Aluminotaipingite-(CeCa) (Ce3+6Ca3)Al(SiO4)3[SiO3(OH)]4F3
Aluminotschermakite ☐Ca2(Mg3Al2)(Si6Al2)O22(OH)2
Aluminowinchite NaCa(Mg4Al)Si8O22(OH)2
Alumoåkermanite (Ca,Na)2(Al,Mg,Fe2+)(Si2O7)
Alumoedtollite K2NaCu2+5AlO2(As5+O4)4
Alumohydrocalcite CaAl2(CO3)2(OH)4·3H2O
Alumoklyuchevskite K3Cu2+3AlO2(S6+O4)4
Alumolukrahnite CaCu2+Al(As5+O4)2(OH)(H2O)
Alumotantite AlTa5+O4
Alumovesuvianite Ca19Al(Al10Mg2)Si18O69(OH)9
Alunite KAl3(S6+O4)2(OH)6
Alunogen Al2(S6+O4)3(H2O)12·5H2O
Alvanite Zn2+Al4(V5+O3)2(OH)12·2H2O
Alvesite NaKZr4+Si6O15·2H2O
Alwilkinsite-(Y) Y(U6+O2)3(S6+O4)2O(OH)3(H2O)7·7H2O
Amableite-(Ce) Na15[(Ce3+1.5Na1.5)Mn2+3]Mn2+2Zr4+3☐Si[Si24O69(OH)3](OH)2·H2O
Amakinite Fe2+(OH)2
Amamoorite CaMn2+2Mn3+(Si2O7)O(OH)
Amarantite Fe3+2O(S6+O4)2·7H2O
Amarillite NaFe3+(S6+O4)2·6H2O
Amaterasuite Sr4Ti4+6Si4O23(OH)Cl
Amazonite K(AlSi₃O₈)
Amber C₁₀H₁₆O
Amblygonite LiAlPO4F
Amblygonite-series LiAl[PO4](F,OH)
Ambrinoite [K,(N3-H4)]2(As3+,Sb3+)6(Sb3+,As3+)2S2-13·H2O
Ameghinite NaB3O3(OH)4
Amesite Mg2Al(AlSiO5)(OH)4
Amethyst SiO₂
Amgaite Tl3+2Te6+O6
Amicite K2Na2(Si4Al4O16)·5H2O
Aminoffite Ca3(BeOH)2Si3O10
Ammineite Cu2+Cl2(N3-H3)2
Ammonioalunite N3-H4Al3(S6+O4)2(OH)6
Ammonioborite (N3-H4)3B15O20(OH)8·4H2O
Ammoniojarosite N3-H4Fe3+3(S6+O4)2(OH)6
Ammoniolasalite (N3-H4)2Mg2[V5+10O28]·20H2O
Ammonioleucite (N3-H4)AlSi2O6
Ammoniomagnesiovoltaite (N3-H4)2Mg5Fe3+3Al(S6+O4)12·18H2O
Ammoniomathesiusite (N3-H4)5(U6+O2)4(S6+O4)4(V5+O5)·4H2O
Ammoniotinsleyite (N3-H4)Al2(PO4)2(OH)·2H2O
Ammoniovoltaite (N3-H4)2Fe2+5Fe3+3Al(S6+O4)12(H2O)18
Ammoniozippeite (N3-H4)2[(U6+O2)2(S6+O4)O2]·H2O
Ammonium hazenite (N3-H4)NaMg2(PO4)2·14H2O
Amoraite Ca12Al6(OH)36(CO3)2(S4+O3)·15H2O
Amphibole (Ca,Na)₂(Mg,Fe,Al)₅(Al,Si)₈O₂₂(OH)₂
Amstallite CaAl(Si,Al)4O8(OH)4·(H2O,Cl)
Amurselite (N3-H4)2(U6+O2)5(Se4+O3)3O2(OH)2(H2O)·8H2O
Analcime NaAlSi2O6·H2O
Anandite BaFe2+3(Si3Fe3+)O10S2-(OH)
Anapaite Ca2Fe2+(PO4)2·4H2O
Anastasenkoite CaFe2+P2O7
Anatase Ti4+O2
Anatolygurbanovite SrCa2Si3O9
Anatolyite Na6(Ca,Na)(Mg,Fe3+)3Al(As5+O4)6
Ancylite-(Ce) Ce3+Sr(CO3)2(OH)·H2O
Ancylite-(La) LaSr(CO3)2(OH)·H2O
Andalusite Al2SiO5
Andersonite Na2Ca(U6+O2)(CO3)3·5-6H2O
Andesine Na0.7-0.5Ca0.3-0.5Al1.3-1.5Si2.7-2.5O8
Andradite Ca3Fe3+2(SiO4)3
Andreadiniite Cu1+Hg2+Ag1+7Pb2+7Sb3+24S2-48
Andrémeyerite BaFe2+2Si2O7
Andreybulakhite Ni2+((C2)6+O4)·2H2O
Andreyivanovite FeCrP
Andrianovite Na12(K,Sr,Ce3+)3Ca6Mn2+3Zr4+3Nb5+Si25O73(O,H2O,OH)5
Andrieslombaardite Rh3+(SbS)3-
Anduoite RuAs2
Andychristyite Pb2+Cu2+Te6+O5(H2O)
Andymcdonaldite Fe3+2Te6+O6
Andyrobertsite KCd2+Cu2+5(As5+O4)4[As5+(OH)2O2]·2H2O
Angarfite NaFe3+5(PO4)4(OH)4·4H2O
Angastonite CaMgAl2(PO4)2(OH)4·7H2O
Angelellite Fe3+4O3(As5+O4)2
Anglesite Pb2+S6+O4
Anhydrite CaS6+O4
Anhydrite CaS6+O4
Anhydrite-Mg-beta MgSO4
Anhydrokainite KMgS6+O4Cl
Anilite Cu7S4
Ankangite Ba(Ti,V3+,Cr3+)8O16
Ankerite Ca(Fe2+,Mg)(CO3)2
Ankinovichite Ni2+Al4(V5+O3)2(OH)12·2H2O
Annabergite Ni2+3(As5+O4)2·8H2O
Anningite-(Ce) (Ca0.5Ce4+0.5)(V5+O4)
Annite KFe2+3AlSi3O10(OH)2
Annivite-(Zn) Cu1+6(Cu1+4Zn2+2)Bi3+4S2-13
Anorpiment As3+2S2-3
Anorthite CaAl2Si2O8
Anorthoclase (Na,K)AlSi3O8
Anorthominasragrite V4+O(S6+O4)·5H2O
Anorthoroselite Ca2Co2+(As5+O4)2·2H2O
Anorthoyttrialite-(Y) Y4(SiO4)(Si3O10)
Ansermetite Mn2+V5+2O6·4H2O
Antarcticite CaCl2·6H2O
Anthoinite AlW6+O3(OH)3
Anthonyite Cu2+(OH)2·3H2O
Anthophyllite ☐Mg2Mg5Si8O22(OH)2
Anthraxolite C
Antigorite Mg3Si2O5(OH)4
Antimonpearceite (Ag,Cu)16(Sb,As)2S11
Antimonselite Sb3+2Se2-3
Antimony Sb
Antipinite KNa3Cu2+2((C2)6+O4)4
Antipovite Cu2+5O2(PO4)2
Antitaenite (Ni,Fe)
Antlerite Cu2+3(S6+O4)(OH)4
Antofagastaite Na2Ca(S6+O4)2·1.5H2O
Anyuiite AuPb2
Anzaite-(Ce) Ce3+4Fe2+Ti4+6O18(OH)2
Apachite Cu2+9Si10O29·11H2O
Apatite Ca₅(PO₄)₃(F,Cl,OH)
Apatite-series Ca5[PO4]3(F,Cl,OH)
Apexite NaMg(PO4)·9H2O
Aphthitalite K3Na(S6+O4)2
Apjohnite Mn2+Al2(S6+O4)4·22H2O
Aplowite Co2+S6+O4·4H2O
Apophyllite KCa₄(Si₈O₂₀)(F,OH)·8H₂O
Apophyllite-series (K,Na)Ca4Si8O20(F,OH)[H2O]8
Apuanite Fe2+Fe3+4Sb3+4O12S2-
Aqualite (H3O)8(Na,K,Sr)5Ca6Zr4+3Si26O66(OH)9Cl
Aquamarine Be₃Al₂Si₆O₁₈
Aradite BaCa6(SiO4)(V5+O4)(V5+O4)2F
Aragonite CaCO3
Arakiite Zn2+Mn2+12Fe3+2(As3+O3)(As5+O4)2(OH)23
Aramayoite Ag1+3Sb3+2(Bi3+,Sb3+)S2-6
Arangasite Al2(S6+O4)(PO4)F·9H2O
Arapovite (K1-x☐x)(Ca,Na)2U4+Si8O20 (x~0.5)
Aravaipaite Pb2+3AlF9·H2O
Aravaite Ba2Ca18(SiO4)6(PO4)3(CO3)F3O
Arcanite K2S6+O4
Archerite H2KPO4
Arctite (Na5Ca)Ca6Ba(PO4)6F3
Arcubisite Ag6CuBiS4
Ardaite Pb2+17Sb3+15S2-35Cl9
Ardealite Ca2(PO3OH)(S6+O4)·4H2O
Ardennite-(As) Mn2+4Al4(AlMg)(As5+O4)(SiO4)2(Si3O10)(OH)6
Ardennite-(V) Mn2+4(AlMg)Al4(Si5V5+)O22(OH)6
Arfvedsonite NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Argandite Mn2+7(V5+O4)2(OH)8
Argentobaumhauerite Ag1.5Pb22As33.5S72
Argentodufrénoysite Ag1+3Pb2+26As3+35S2-80
Argentojarosite Ag1+Fe3+3(S6+O4)2(OH)6
Argentoliveingite Ag1+xPb2+40-2xAs3+48+xS2-112 (3 < x < 4)
Argentopearceite [Ag1+9Ag1+S1-4][Ag1+6As3+2S1-7]
Argentopentlandite Ag(Fe,Ni)8S8
Argentopolybasite [Ag1+9Ag1+S2-4][Ag1+6Sb3+2S2-7]
Argentopyrite Ag1+Fe2+Fe3+S2-3
Argentotennantite-(Fe) Ag1+6(Cu1+4Fe2+2)As3+4S2-13
Argentotennantite-(Zn) Ag1+6Cu1+4Zn2+2As3+4S2-13
Argentotetrahedrite-(Cd) Ag1+6(Cu1+4Cd2+2)Sb3+4S2-13
Argentotetrahedrite-(Fe) Ag1+6(Cu1+4Fe2+2)Sb3+4S2-13
Argentotetrahedrite-(Hg) Ag1+6(Cu1+4Hg2+2)Sb3+4S2-13
Argentotetrahedrite-(Zn) Ag1+6(Cu1+4Zn2+2)Sb3+4S2-13
Argesite (N3-H4)7Bi3+3Cl16
Argutite GeO2
Argyrodite Ag1+8Ge4+S2-6
Arhbarite Cu2+2MgAs5+O4(OH)3
Ariegilatite BaCa12(SiO4)4(PO4)2F2O
Arisite-(Ce) NaCe3+2(CO3)2[(CO3)1-xF2x]F
Arisite-(La) NaLa2(CO3)2[(CO3)1-xF2x]F
Aristarainite Na2Mg[B6O8(OH)4]2·4H2O
Armalcolite (Mg,Fe2+)Ti4+2O5
Armangite Mn2+26As3+18O50(CO3)(OH)4
Armbrusterite Na6K5Mn3+Mn2+14[Si9O22]4(OH)10·4H2O
Armellinoite-(Ce) Ca4Ce4+(As5+O4)4·H2O
Armenite BaCa2(Al6Si9)O30·2H2O
Armstrongite CaZr4+Si6O15·2H2O
Arnhemite K4Mg2(P2O7)2·5H2O
Arrheniusite-(Ce) CaMg[(Ce3+7Y3)Ca5](SiO4)3(Si3B3O18)(As5+O4)(BO3)F11
Arrojadite-(BaNa) BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arrojadite-(KFe) (KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arrojadite-(KNa) KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arrojadite-(NaFe) Na2Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arrojadite-(PbFe) Pb2+Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arrojadite-(SrFe) SrFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Arsenatrotitanite NaTi4+(As5+O4)O
Arsenbrackebuschite Pb2+2(Fe3+,Zn2+)(As5+O4)2(OH,H2O)
Arsendescloizite Pb2+Zn2+As5+O4(OH)
Arsenic As
Arseniopleite NaCaMn2+Mn2+2(As5+O4)3
Arseniosiderite Ca2Fe3+3O2(As5+O4)3·3H2O
Arsenmarcobaldiite Pb2+12(As3+3.2Sb3+2.8)S2-21
Arsenmedaite Mn2+6As5+Si5O18(OH)
Arsenoclasite Mn2+5(As5+O4)2(OH)4
Arsenocrandallite CaAl3(As5+O4)(As5+O3OH)(OH)6
Arsenoflorencite-(Ce) Ce3+Al3(As5+O4)2(OH)6
Arsenoflorencite-(La) La3+Al3(As5+O4)2(OH)6
Arsenoflorencite-(Nd) NdAl3(AsO4)2(OH)6
Arsenogoldfieldite Cu1+6Cu1+6(As3+2Te4+2)S2-13
Arsenogorceixite BaAl3As5+O4(As5+O3OH)(OH)6
Arsenogoyazite SrAl3(As5+O4)(As5+O3OH)(OH)6
Arsenohauchecornite Ni18Bi3AsS16
Arsenohopeite Zn2+3(As5+O4)2·4H2O
Arsenolamprite As
Arsenolite As3+2O3
Arsenopalladinite Pd8As3
Arsenopyrite Fe3+(AsS)3-
Arsenotučekite Ni18Sb3AsS16
Arsenoústalečite Cu1+6Cu1+6(As3+2Te4+2)Se2-13
Arsenovanmeersscheite U6+(U6+O2)3(As5+O4)2(OH)6·4H2O
Arsenoveszelyite Cu2+2Zn2+(As5+O4)(OH)3·2H2O
Arsenowagnerite Mg2As5+O4F
Arsenowaylandite BiAl3(AsO4)2(OH)6
Arsenpolybasite (Ag,Cu)16As2S11
Arsenquatrandorite Ag1+17.6Pb2+12.8Sb3+38.1As3+11.5S2-96
Arsentsumebite Pb2+2Cu2+(As5+O4)(S6+O4)(OH)
Arsenudinaite NaMg4(As5+O4)3
Arsenuranospathite Al(U6+O2)2(As5+O4)2F·20H2O
Arsenuranylite Ca(U6+O2)4(As5+O4)2(OH)4·6H2O
Arsiccioite Ag1+Hg2+2Tl1+As3+2S2-6
Arsmirandite Na18Cu2+12Fe3+O8(As5+O4)8Cl5
Artemether C16H26O5
Arthurite Cu2+Fe3+2(As5+O4)2(OH)2·4H2O
Artinite Mg2CO3(OH)2·3H2O
Artroeite Pb2+AlF3(OH)2
Artsmithite Hg1+4Al(PO4)1.74(OH)1.78
Arupite Ni2+3(PO4)2·8H2O
Arzakite Hg3S2(Br,Cl)2
Arzamastsevite K6Al5Si6O20(OH)4Cl
Arzrunite Pb2+2Cu2+4S6+O4(OH)4Cl6·2H2O
Asagiite Ni2+Cu2+4(S6+O4)2(OH)6·6H2O
Asbecasite Ca3Ti4+As3+6Be2Si2O20
Asbolane Mn4+(O,OH)2·(Co3+,Ni2+,Mg,Ca)x(OH)2x·nH2O
Aschamalmite Pb2+6-3xBi3+2+xS2-9
Ashburtonite HPb2+4Cu2+4(Si4O12)(HCO3)4(OH)4Cl
Ashcroftine-(Y) K5Na5Y12Si28O70(OH)2(CO3)8·8H2O
Ashoverite Zn2+(OH)2
Asimowite Fe2+2SiO4
Asisite Pb2+7SiO8Cl2
Aspedamite ☐12(Fe3+,Fe2+)3Nb5+4[Th4+(Nb5+,Fe3+)12O42][(H2O),(OH)]12
Aspirin C9H8O4
Asselbornite Pb2+(U6+O2)4(Bi3+O)3(As5+O4)2(OH)7·4H2O
Astrocyanite-(Ce) Cu2+2Ce3+2(U6+O2)(CO3)5(OH)2·1.5H2O
Astrophyllite K2NaFe2+7Ti4+2(Si4O12)2O2(OH)4F
Atacamite Cu2+2Cl(OH)3
Atelestite Bi3+2O(As5+O4)(OH)
Atelisite-(Y) Y4Si3O8(OH)8
Axinite Ca₂Fe²⁺Al₂BSi₄O₁₅(OH)