A–Z index
A (444)
- Abellaite NaPb₂(CO₃)₂(OH) IMA mineral species
- Abelloemringerite Cu₂Pb₂Mn³⁺Mn⁴⁺₃O₁₁(OH)(H₂O)₂·H₂O IMA mineral species
- Abelsonite NiC₃₁H₃₂N₄ IMA mineral species
- Abenakiite-(Ce) Na₂₆Ce₆(Si₆O₁₈)(PO₄)₆(CO₃)₆(SO₂)O IMA mineral species
- Abernathyite K(UO₂)(AsO₄)·3H₂O IMA mineral species
- Abhurite Sn²⁺₂₁O₆(OH)₁₄Cl₁₆ IMA mineral species
- Abramovite Pb₂SnInBiS₇ IMA mineral species
- Absite Mineral variety
- Abswurmbachite Cu²⁺(Mn³⁺)₆O₈(SiO₄) IMA mineral species
- Abuite CaAl₂(PO₄)₂F₂ IMA mineral species
- Acanthite Ag₂S IMA mineral species
- Acetamide IMA mineral species
- Achalaite Fe²⁺TiNb₂O₈ IMA mineral species
- Achávalite FeSe IMA mineral species
- Achroite Mineral variety
- Achyrophanite (K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅ IMA mineral species
- Acmonidesite (NH₄,K,Pb)₈NaFe²⁺₄(SO₄)₅Cl₈ IMA mineral species
- Actinolite Ca₂(Mg,Fe)₅[OH|Si₄O₁₁]₂ IMA mineral species
- Acuminite SrAlF₄(OH)·H₂O IMA mineral species
- Adachiite CaFe²⁺₃Al₆(Si₅AlO₁₈)(BO₃)₃(OH)₃(OH) IMA mineral species
- Adamantine spar Mineral variety
- Adamite Zn₂AsO₄(OH) IMA mineral species
- Adamsite Mineral variety
- Adamsite-(Y) NaY(CO₃)₂·6H₂O IMA mineral species
- Adanite IMA mineral species
- Addibischoffite Ca₂Al₆Al₆O₂₀ IMA mineral species
- Adelite CaMgAsO₄(OH) IMA mineral species
- Admontite MgB₆O₁₀·7H₂O IMA mineral species
- Adolfpateraite K(UO₂)(SO₄)(OH)(H₂O) IMA mineral species
- Adranosite (NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂ IMA mineral species
- Adranosite-(Fe) (NH₄)₄NaFe₂(SO₄)₄Cl(OH)₂ IMA mineral species
- Adrianite Ca₁₂(Al₄Mg₃Si₇)O₃₂Cl₆ IMA mineral species
- Adularia Mineral variety
- Aegirine NaFe³⁺Si₂O₆ IMA mineral species
- Aegirine-augite (Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆ IMA mineral species
- Aenigmatite Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆] IMA mineral species
- Aerinite (Ca,Na)₆(Fe³⁺,Fe²⁺,Mg,Al)₄(Al,Mg)₆Si₁₂O₃₆(OH)₁₂(CO₃)·12H₂O IMA mineral species
- Aerugite Ni₈.₅(AsO₄)₂As⁵⁺O₈ IMA mineral species
- Aeschynite-(Ce) Ce(TiNb)O₆ IMA mineral species
- Aeschynite-(Nd) Nd(TiNb)O₆ IMA mineral species
- Aeschynite-(Y) Y(TiNb)O₆ IMA mineral species
- Afghanite (Na,K)₂₂Ca₁₀(Si₂₄Al₂₄)O₉₆(SO₄)₆Cl₆ IMA mineral species
- Afmite Al₃(OH)₄(H₂O)₃(PO₄)(PO₃OH)·H₂O IMA mineral species
- Afwillite Ca₃[SiO₃(OH)]₂·2H₂O IMA mineral species
- Agaite Pb₃Cu²⁺Te⁶⁺O₅(OH)₂(CO₃) IMA mineral species
- Agakhanovite-(Y) YCa☐₂KBe₃Si₁₂O₃₀ IMA mineral species
- Agardite-(Ce) CeCu²⁺₆(AsO₄)₃(OH)₆·3H₂O IMA mineral species
- Agardite-(La) LaCu²⁺₆(AsO₄)₃(OH)₆·3H₂O IMA mineral species
- Agardite-(Nd) NdCu²⁺₆(AsO₄)₃(OH)₆·3H₂O IMA mineral species
- Agardite-(Y) YCu²⁺₆(AsO₄)₃(OH)₆·3H₂O IMA mineral species
- Agate SiO₂ Mineral variety
- Agate Geode Geode / nodule
- Agate-jasper Mineral variety
- Agmantinite Ag₂MnSnS₄ IMA mineral species
- Agrellite NaCa₂Si₄O₁₀F IMA mineral species
- Agricolaite K₄(UO₂)(CO₃)₃ IMA mineral species
- Agrinierite K₂Ca[(UO₂)₃O₃(OH)₂]₂·5H₂O IMA mineral species
- Aguilarite Ag₄SeS IMA mineral species
- Agujaite Na₆Al₆(H₂O)₁₅(OH)₃(AsO₄)₅(AsO₃OH)₃⋅3H₂O IMA mineral species
- Aheylite Fe²⁺Al₆(PO₄)₄(OH)₈·4H₂O IMA mineral species
- Ahlfeldite NiSeO₃·2H₂O IMA mineral species
- Ahrensite γ-Fe₂(SiO₄) IMA mineral species
- Aikinite CuPbBiS₃ IMA mineral species
- Aiolosite Na₂(Na₂Bi)(SO₄)₃Cl IMA mineral species
- Airdite IMA mineral species
- Ajoite K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O IMA mineral species
- Akaganeite (Fe³⁺,Ni²⁺)₈(OH,O)₁₆Cl₁.₂₅·nH₂O IMA mineral species
- Akaogiite TiO₂ IMA mineral species
- Akasakaite-(Ce) (CaCe)(AlAlMn²⁺)O[Si₂O₇][SiO₄](OH) IMA mineral species
- Akasakaite-(La) (CaLa)(AlAlMn²⁺)O[Si₂O₇][SiO₄](OH) IMA mineral species
- Akatoreite Mn²⁺₉Al₂Si₈O₂₄(OH)₈ IMA mineral species
- Akdalaite Al₅O₇(OH) IMA mineral species
- Åkermanite Ca₂MgSi₂O₇ IMA mineral species
- Akhtenskite MnO₂ IMA mineral species
- Akimotoite MgSiO₃ IMA mineral species
- Aklimaite Ca₄[Si₂O₅(OH)₂](OH)₄·5H₂O IMA mineral species
- Akopovaite Al₄Li₂(OH)₁₂(CO₃)(H₂O)₃ IMA mineral species
- Akrochordite Mn²⁺₅(AsO₄)₂(OH)₄·4H₂O IMA mineral species
- Aksaite MgB₆O₇(OH)₆·2H₂O IMA mineral species
- Aktashite Cu₆Hg₃As₄S₁₂ IMA mineral species
- Alabandite MnS IMA mineral species
- Alabaster Mineral variety
- Alacránite As₈S₉ IMA mineral species
- Alamosite PbSiO₃ IMA mineral species
- Alarsite AlAsO₄ IMA mineral species
- Albertiniite Fe²⁺(SO₃)·3H₂O IMA mineral species
- Albite NaAlSi₃O₈ IMA mineral species
- Albite cat’s-eye Mineral variety
- Albite Moonstone Mineral variety
- Albrechtschraufite MgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O IMA mineral species
- Alburnite Ag₈GeTe₂S₄ IMA mineral species
- Alcantarillaite IMA mineral species
- Alcaparrosaite K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂ IMA mineral species
- Aldermanite Mg₅Al₁₂(PO₄)₈(OH)₂₂·32H₂O IMA mineral species
- Aldomarinoite IMA mineral species
- Aldridgeite (Cd,Ca)(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O IMA mineral species
- Aleksandrovite KCa₇Sn₂Li₃Si₁₂O₃₆F₂ IMA mineral species
- Aleksite PbBi₂Te₂S₂ IMA mineral species
- Aleutite [Cu₅O₂](AsO₄)(VO₄)·(Cu,K,Pb,Rb,Cs,)Cl IMA mineral species
- Alexandrite Al₂BeO₄ Mineral variety
- Alexearlite Hg₃(MoO₄)S₂ IMA mineral species
- Alexkhomyakovite K₆(Ca₂Na)(CO₃)₅Cl·6H₂O IMA mineral species
- Alexkuznetsovite-(Ce) IMA mineral species
- Alexkuznetsovite-(La) IMA mineral species
- Alexshubnikovite Ca₂Cu₉(AsO₄)₄(OH)₉Cl(H₂O)₈·2H₂O IMA mineral species
- Alflarsenite NaCa₂Be₃Si₄O₁₃(OH)·2H₂O IMA mineral species
- Alforsite Ba₅(PO₄)₃Cl IMA mineral species
- Alfredcasparite Sr₂TiO(Si₂O₇) IMA mineral species
- Alfredopetrovite Al₂(Se⁴⁺O₃)₃·6H₂O IMA mineral species
- Alfredstelznerite Ca₄(H₂O)₄[B₄O₄(OH)₆]₄(H₂O)₁₅ IMA mineral species
- Algodonite Cu₁₋ₓAsₓ (x ~0.15) IMA mineral species
- Alicewilsonite-(YCe) IMA mineral species
- Alicewilsonite-(YLa) Na₂Sr₂YLa(CO₃)₆·3H₂O IMA mineral species
- Aliettite Ca₀.₂Mg₆(Si,Al)₈O₂₀(OH)₄·4H₂O IMA mineral species
- Allabogdanite (Fe,Ni)₂P IMA mineral species
- Allactite Mn²⁺₇(AsO₄)₂(OH)₈ IMA mineral species
- Allanite-(Ce) CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) IMA mineral species
- Allanite-(La) CaLa(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) IMA mineral species
- Allanite-(Nd) CaNd(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) IMA mineral species
- Allanite-(Sm) (CaSm)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH) IMA mineral species
- Allanite-(Y) {CaY}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH) IMA mineral species
- Allanpringite Fe³⁺₃(PO₄)₂(OH)₃·5H₂O IMA mineral species
- Allantoin IMA mineral species
- Allargentum Ag₁₋ₓSbₓ (x=0.09-0.16) IMA mineral species
- Alleghanyite Mn²⁺₅(SiO₄)₂(OH)₂ IMA mineral species
- Allendeite Sc₄Zr₃O₁₂ IMA mineral species
- Allochalcoselite Cu¹⁺Cu²⁺₅PbO₂(SeO₃)₂Cl₅ IMA mineral species
- Alloclasite CoAsS IMA mineral species
- Allophane Al₂O₃(SiO₂)₁.₃-₂.₀·2.5-3.0H₂O IMA mineral species
- Alloriite (Na,K,Ca)₂₄(Na,Ca)₄Ca₄(Si,Al)₄₈O₉₆(SO₄)₄(SO₃,CO₃)₂(OH,Cl)₂(H₂O,OH)₄ IMA mineral species
- Alluaivite Na₁₉(Ca,Mn²⁺)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O IMA mineral species
- Alluaudite (Na,Ca)(Mn,Mg,Fe²⁺)(Fe³⁺,Mn²⁺)₂(PO₄)₃ IMA mineral species
- Almagreraite CuZnMn⁴⁺₃O₈ IMA mineral species
- Almandine Fe²⁺₃Al₂(SiO₄)₃ IMA mineral species
- Almarudite K(☐,Na)₂(Mn,Fe,Mg)₂[(Be,Al)₃Si₁₂]O₃₀ IMA mineral species
- Almeidaite PbZn₂(Mn,Y)(Ti,Fe³⁺)₁₈O₃₆(OH,O)₂ IMA mineral species
- Alnaperbøeite-(Ce) (CaCe₂.₅Na₀.₅)(Al₄)(Si₂O₇)(SiO₄)₃O(OH)₂ IMA mineral species
- Alpeite Ca₄Mn³⁺₂Al₂(Mn³⁺Mg)(SiO₄)₂(Si₃O₁₀)(V₅+O₄)(OH)₆ IMA mineral species
- Alpersite Mg(SO₄)·7H₂O IMA mineral species
- Alsakharovite-Zn NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O IMA mineral species
- Alstonite BaCa(CO₃)₂ IMA mineral species
- Altaite PbTe IMA mineral species
- Alterite Zn₂Fe³⁺₄(SO₄)₄(C₂O₄)₂(OH)₄ * 17H₂O IMA mineral species
- Althausite Mg₄(PO₄)₂(OH,O)(F,☐) IMA mineral species
- Althupite AlTh(UO₂)₇(PO₄)₄O₂(OH)₅·15H₂O IMA mineral species
- Altisite Na₃K₆Ti₂Al₂Si₈O₂₆Cl₃ IMA mineral species
- Alum-(K) KAl(SO₄)₂·12H₂O IMA mineral species
- Alum-(Na) NaAl(SO₄)₂·12H₂O IMA mineral species
- Aluminite Al₂SO₄(OH)₄·7H₂O IMA mineral species
- Aluminium (native) Al IMA mineral species
- Alumino-oxy-rossmanite IMA mineral species
- Aluminoceladonite K(Mg,Fe²⁺)Al(Si₄O₁₀)(OH)₂ IMA mineral species
- Aluminocerite-(CeCa) (Ce₆Ca₃)☐Al(SiO₄)₃(SiO₃OH)₄(OH)₃ IMA mineral species
- Aluminocopiapite (Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O IMA mineral species
- Aluminocoquimbite AlFe(SO₄)₃·9H₂O IMA mineral species
- Aluminomagnesiohulsite Mg₂AlO₂(BO₃) IMA mineral species
- Aluminopyracmonite (NH₄)₃Al(SO₄)₃ IMA mineral species
- Aluminosugilite IMA mineral species
- Aluminotaipingite-(CeCa) (Ce₆Ca₃)◻Al(SiO₄)₃[SiO₃(OH)]₄F₃ IMA mineral species
- Alumoåkermanite (Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇) IMA mineral species
- Alumoedtollite K₂NaCu₅AlO₂(AsO₄)₄ IMA mineral species
- Alumohydrocalcite CaAl₂(CO₃)₂(OH)₄·3H₂O IMA mineral species
- Alumoklyuchevskite K₃Cu²⁺₃AlO₂(SO₄)₄ IMA mineral species
- Alumolukrahnite IMA mineral species
- Alumotantite AlTaO₄ IMA mineral species
- Alumovesuvianite Ca₁₉Al(Al₁₀Mg₂)Si₁₈O₆₉(OH)₉ IMA mineral species
- Alunite KAl₃(SO₄)₂(OH)₆ IMA mineral species
- Alunogen Al₂(SO₄)₃(H₂O)₁₂·5H₂O IMA mineral species
- Alushtite Mineral variety
- Alvanite ZnAl₄(V(V)O₃)₂(OH)₁₂·2H₂O IMA mineral species
- Alvesite NaKZrSi₆O₁₅·2H₂O IMA mineral species
- Alvite Mineral variety
- Alwilkinsite-(Y) Y(UO₂)₃(SO₄)₂O(OH)₃(H₂O)₇·7H₂O IMA mineral species
- Amableite-(Ce) Na₁₅[(Ce₁.₅Na₁.₅)Mn₃]Mn₂Zr₃◻Si[Si₂₄O₆₉(OH)₃](OH)₂·H₂O IMA mineral species
- Amakinite Fe(OH)₂ IMA mineral species
- Amalgam Mineral variety
- Amamoorite CaMn²⁺₂Mn³⁺(Si₂O₇)O(OH) IMA mineral species
- Amarantite Fe³⁺₂O(SO₄)₂·7H₂O IMA mineral species
- Amarillite NaFe³⁺(SO₄)₂·6H₂O IMA mineral species
- Amaterasuite Sr₄Ti₆Si₄O₂₃(OH)Cl IMA mineral species
- Amazonite Mineral variety
- Amber C₁₂H₂₀O Organic gem
- Amber with Inclusions Fossil
- Amblygonite LiAlPO₄F IMA mineral species
- Ambrinoite [K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O IMA mineral species
- Ameghinite NaB₃O₃(OH)₄ IMA mineral species
- Amesite Mg₂Al(AlSiO₅)(OH)₄ IMA mineral species
- Amethyst SiO₂ Mineral variety
- Amethyst Geode Geode / nodule
- Amethyst Stalactite Mineral variety
- Ametrine Mineral variety
- Amgaite IMA mineral species
- Amicite K₂Na₂(Al₄Si₄O₁₆)·5H₂O IMA mineral species
- Aminoffite Ca₃(BeOH)₂Si₃O₁₀ IMA mineral species
- Ammineite CuCl₂·2NH₃ IMA mineral species
- Ammolite Gem material
- Ammonioalunite (NH)₄Al₃(SO₄)₂(OH)₆ IMA mineral species
- Ammonioborite (NH₄)₃B₁₅O₂₀(OH)₈·4H₂O IMA mineral species
- Ammoniojarosite (NH)₄Fe³⁺₃(SO₄)₂(OH)₆ IMA mineral species
- Ammoniolasalite [(NH₄)₂Mg₂(H₂O)₂₀] [V₁₀O₂₈] IMA mineral species
- Ammonioleucite (NH₄)AlSi₂O₆ IMA mineral species
- Ammoniomagnesiovoltaite (NH₄)₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O IMA mineral species
- Ammoniomathesiusite (NH₄)₅(UO₂)₄(SO₄)₄(VO₅)₄·H₂O IMA mineral species
- Ammoniotinsleyite IMA mineral species
- Ammoniovoltaite (NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈ IMA mineral species
- Ammoniozippeite (NH₄)₂[(UO₂)₂(SO₄)O₂]*H₂O IMA mineral species
- Ammonite Fossil
- Amoraite Ca₁₂Al₆(OH)₃₆(CO₃)₂(SO₃)·15H₂O IMA mineral species
- Amosite Mineral variety
- Amstallite CaAl[(Al,Si)₄O₈(OH)₂](OH)₂·(H₂O,Cl) IMA mineral species
- Amurselite (NH₄)₂(UO₂)₅(SeO₃)₃O₂(OH)₂(H₂O)·8H₂O IMA mineral species
- Analcime Na(AlSi₂O₆)·H₂O IMA mineral species
- Anandite BaFe²⁺₃(Si₃Fe³⁺)O₁₀S(OH) IMA mineral species
- Anapaite Ca₂Fe²⁺(PO₄)₂·4H₂O IMA mineral species
- Anastasenkoite IMA mineral species
- Anatacamite IMA mineral species
- Anatase TiO₂ IMA mineral species
- Anatolygurbanovite SrCa₂Si₃O₉ IMA mineral species
- Anatolyite Na₆(Ca,Na)(Mg,Fe³⁺)₃Al(AsO₄)₆ IMA mineral species
- Ancylite-(Ce) CeSr(CO₃)₂(OH)·H₂O IMA mineral species
- Ancylite-(La) LaSr(CO₃)₂(OH)·H₂O IMA mineral species
- Andalusite Al₂SiO₅ IMA mineral species
- Andersonite Na₂Ca(UO₂)(CO₃)₃·6H₂O IMA mineral species
- Andesine Mineral variety
- Andradite Ca₃Fe³⁺₂(SiO₄)₃ IMA mineral species
- Andreadiniite CuHgAg₇Pb₇Sb₂₄S₄₈ IMA mineral species
- Andrémeyerite BaFe²⁺₂(Si₂O₇) IMA mineral species
- Andreybulakhite Ni(C₂O₄)·2H₂O IMA mineral species
- Andreyivanovite FeCrP IMA mineral species
- Andrianovite Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅ IMA mineral species
- Andrieslombaardite RhSbS IMA mineral species
- Anduoite RuAs₂ IMA mineral species
- Andychristyite PbCu²⁺Te₆+O₅(H₂O) IMA mineral species
- Andymcdonaldite Fe₂TeO₆ IMA mineral species
- Andyrobertsite KCdCu₅(AsO₄)₄[As(OH)₂O₂]·2H₂O IMA mineral species
- Angarfite NaFe³⁺₅(PO₄)₄(OH)₄·4H₂O IMA mineral species
- Angastonite CaMgAl₂(PO₄)₂(OH)₄·7H₂O IMA mineral species
- Ángelaite Cu₂AgPbBiS₄ IMA mineral species
- Angelellite Fe³⁺₄(AsO₄)₂O₃ IMA mineral species
- Anglesite PbSO₄ IMA mineral species
- Anhydrite CaSO₄ IMA mineral species
- Anhydrokainite IMA mineral species
- Anilite Cu₇S₄ IMA mineral species
- Aniyunwiyaite IMA mineral species
- Ankangite IMA mineral species
- Ankerite Ca(Fe²⁺,Mg)(CO₃)₂ IMA mineral species
- Ankinovichite (Ni,Zn)Al₄(V₅+O₃)₂(OH)₁₂ * 2.₅H₂O IMA mineral species
- Annabergite Ni₃(AsO₄)₂·8H₂O IMA mineral species
- Anningite-(Ce) IMA mineral species
- Annite IMA mineral species
- Annivite Mineral variety
- Annivite-(Zn) Cu₆(Cu₄Zn₂)Bi₄S₁₂S IMA mineral species
- Anorpiment As₂S₃ IMA mineral species
- Anorthite CaAl₂Si₂O₈ IMA mineral species
- Anorthoclase Mineral variety
- Anorthominasragrite (V₄+O)(SO₄) * 5H₂O IMA mineral species
- Anorthoroselite Ca₂Co(AsO₄)₂·2H₂O IMA mineral species
- Anorthoyttrialite-(Y) Y₄(SiO₄)(Si₃O₁₀) IMA mineral species
- Ansermetite Mn²⁺(V₂O₆) * 4H₂O IMA mineral species
- Antarcticite CaCl₂·6H₂O IMA mineral species
- Anthoinite AlWO₃(OH)₃ IMA mineral species
- Anthonyite IMA mineral species
- Anthophyllite ☐Mg₂Mg₅Si₈O₂₂(OH)₂ IMA mineral species
- Antigorite Mg₃Si₂O₅(OH)₄ IMA mineral species
- Antimonselite Sb₂Se₃ IMA mineral species
- Antimony (native) Sb IMA mineral species
- Antipinite KNa₃Cu₂(C₂O₄)₄ IMA mineral species
- Antipovite Cu₅O₂(PO₄)₂ IMA mineral species
- Antlerite Cu²⁺₃SO₄(OH)₄ IMA mineral species
- Antofagastaite Na₂Ca(SO₄)₂·1.5H₂O IMA mineral species
- Antozonite Mineral variety
- Anyolite Rock
- Anyuiite AuPb₂ IMA mineral species
- Anzaite-(Ce) Ce₄Fe²⁺Ti₆O₁₈(OH)₂ IMA mineral species
- Apache tears Rock
- Apachite Cu₉Si₁₀O₂₉·11H₂O IMA mineral species
- Apatite Mineral group
- Apexite NaMg(PO₄)·9H₂O IMA mineral species
- Aphrite CaCO₃ Mineral variety
- Aphthitalite K₃Na(SO₄)₂ IMA mineral species
- Apjohnite Mn²⁺Al₂(SO₄)₄ * 2₂H₂O IMA mineral species
- Aplowite Co(SO₄)·4H₂O IMA mineral species
- Apophyllite Mineral group
- Apophyllite Stalactite Mineral variety
- Apuanite Fe²⁺Fe³⁺₄Sb³⁺₄O₁₂S IMA mineral species
- Aqualite (H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl IMA mineral species
- Aquamarine Be₃Al₂Si₅O₁₈ Mineral variety
- Aradite BaCa₆[(SiO₄)(VO₄)](VO₄)₂F IMA mineral species
- Aragonite CaCO₃ IMA mineral species
- Aragonite Sputnik Mineral variety
- Arakiite ZnMn²⁺₁₂Fe³⁺₂(As³⁺O₃)(As⁵⁺O₄)₂(OH)₂₃ IMA mineral species
- Aramayoite Ag₃Sb₂(Bi,Sb)S₆ IMA mineral species
- Arangasite Al₂(SO₄)(PO₄)F·9H₂O IMA mineral species
- Arapovite IMA mineral species
- Aravaipaite Pb₃AlF₉·H₂O IMA mineral species
- Aravaite Ba₂Ca₁₈(SiO₄)₆(PO₄)₃(CO₃)F₃O IMA mineral species
- Arcanite K₂[SO₄] IMA mineral species
- Archerite H₂KPO₄ IMA mineral species
- Arctite Na₅Ca₇Ba(PO₄)₆F₃ IMA mineral species
- Arcubisite Ag₆CuBiS₄ IMA mineral species
- Ardaite Pb₁₇Sb₁₅S₃₅Cl₉ IMA mineral species
- Ardealite Ca₂(PO₃OH)(SO₄)·4H₂O IMA mineral species
- Ardennite-(As) Mn²⁺₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ IMA mineral species
- Ardennite-(V) Mn²⁺₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ IMA mineral species
- Arfvedsonite NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂ IMA mineral species
- Argandite Mn₇(VO₄)₂(OH)₈ IMA mineral species
- Argentite Ag₂S Mineral variety
- Argentobaumhauerite Ag₁.₅Pb₂₂As₃₃.₅S₇₂ IMA mineral species
- Argentodufrénoysite IMA mineral species
- Argentojarosite AgFe³⁺₃(SO₄)₂(OH)₆ IMA mineral species
- Argentoliveingite AgxPb₄₀-₂xAs₄₈+xS₁₁₂ IMA mineral species
- Argentopearceite Ag₁₆As₂S₁₁ IMA mineral species
- Argentopentlandite Ag(Fe,Ni)₈S₈ IMA mineral species
- Argentopolybasite [Ag₉AgS₄][Ag₆Sb₂S₇] IMA mineral species
- Argentopyrite AgFe₂S₃ IMA mineral species
- Argentotennantite-(Fe) Ag₆(Cu₄Fe₂)As₄S₁₂S IMA mineral species
- Argentotennantite-(Zn) Ag₆Cu₄(Fe,Zn)₂As₄S₁₃ IMA mineral species
- Argentotetrahedrite-(Cd) IMA mineral species
- Argentotetrahedrite-(Fe) Ag₆Cu₄(Fe,Zn)₂Sb₄S₁₃ IMA mineral species
- Argentotetrahedrite-(Hg) IMA mineral species
- Argentotetrahedrite-(Zn) IMA mineral species
- Argesite (NH₄)₇Bi₃Cl₁₆ IMA mineral species
- Argutite IMA mineral species
- Argyrodite Ag₈GeS₆ IMA mineral species
- Arhbarite IMA mineral species
- Ariegilatite BaCa₁₂(SiO₄)₄(PO₄)₂F₂O IMA mineral species
- Arisite-(Ce) NaCe₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F IMA mineral species
- Arisite-(La) NaLa₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F IMA mineral species
- Aristarainite Na₂MgB₁₂O₂₀ * 8H₂O IMA mineral species
- Arite Mineral variety
- Arkansas Quartz Mineral variety
- Armalcolite (Mg,Fe²⁺)Ti₂O₅ IMA mineral species
- Armangite Mn²⁺₂₆As³⁺₁₈O₅₀(CO₃)(OH)₄ IMA mineral species
- Armbrusterite K₅Na₇Mn₁₅[(Si₉O₂₂)₄](OH)₁₀ * 4H₂O IMA mineral species
- Armellinoite-(Ce) Ca₄Ce₄+(AsO₄)₄·H₂O IMA mineral species
- Armenite BaCa₂(Al₆Si₉)O₃₀·2H₂O IMA mineral species
- Armstrongite CaZr(Si₆O₁₅)·2H₂O IMA mineral species
- Arquerite Mineral variety
- Arrheniusite-(Ce) IMA mineral species
- Arrojadite-(BaNa) BaNa₃(NaCa)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH) IMA mineral species
- Arrojadite-(KFe) {KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂ IMA mineral species
- Arrojadite-(KNa) KNa₃(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ IMA mineral species
- Arrojadite-(PbFe) PbFe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ IMA mineral species
- Arrojadite-(SrFe) SrFe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ IMA mineral species
- Arsenatrotitanite NaTi(AsO₄)O IMA mineral species
- Arsenbrackebuschite Pb₂Fe³⁺(AsO₄)₂(OH) IMA mineral species
- Arsendescloizite IMA mineral species
- Arsenic (native) As IMA mineral species
- Arseniopleite (Ca,Na)NaMn²⁺(Mn²⁺,Mg,Fe²⁺)₂(AsO₄)₃ IMA mineral species
- Arseniosiderite Ca₂Fe³⁺₃(AsO₄)₃O₂ * 3H₂O IMA mineral species
- Arsenmarcobaldiite IMA mineral species
- Arsenmedaite Mn²⁺₆ As₅+Si₅O₁₈(OH) IMA mineral species
- Arsenobenauite SrFe³⁺₃(AsO₄)(AsO₃OH)(OH)₆ IMA mineral species
- Arsenoclasite IMA mineral species
- Arsenocrandallite CaAl₃(AsO₄)(AsO₃OH)(OH)₆ IMA mineral species
- Arsenoflorencite-(Ce) CeAl₃(AsO₄)₂(OH)₆ IMA mineral species
- Arsenoflorencite-(La) LaAl₃(AsO₄)₂(OH)₆ IMA mineral species
- Arsenoflorencite-(Nd) NdAl₃(AsO₄)₂(OH)₆ IMA mineral species
- Arsenogoldfieldite IMA mineral species
- Arsenogorceixite BaAl₃(AsO₄)(AsO₃OH)(OH)₆ IMA mineral species
- Arsenogoyazite SrAl₃(AsO₄)(AsO₃OH)(OH)₆ IMA mineral species
- Arsenohauchecornite Ni₁₈Bi₃AsS₁₆ IMA mineral species
- Arsenohopeite Zn₃(AsO₄)₂·4H₂O IMA mineral species
- Arsenolamprite As IMA mineral species
- Arsenolite As₂O₃ IMA mineral species
- Arsenopalladinite Pd₈As₃ IMA mineral species
- Arsenopyrite FeAsS IMA mineral species
- Arsenosabugalite IMA mineral species
- Arsenotučekite IMA mineral species
- Arsenoústalečite (Cu₄Cu₂)(Cu₄Cu⁺₂)(As₂Te₂)Se₁₂Se IMA mineral species
- Arsenovanmeersscheite U(UO₂)₃(AsO₄)₂(OH)₆·4H₂O IMA mineral species
- Arsenoveszelyite IMA mineral species
- Arsenowagnerite Mg₂(AsO₄)F IMA mineral species
- Arsenquatrandorite Ag₁₇.₆Pb₁₂.₈Sb₃₈.₁As₁₁.₅S₉₆ IMA mineral species
- Arsentsumebite IMA mineral species
- Arsenudinaite NaMg₄(AsO₄)₃ IMA mineral species
- Arsenuranospathite Al(UO₂)₂(AsO₄)₂F·20H₂O IMA mineral species
- Arsenuranylite Ca(UO₂)₄(AsO₄)₂(OH)₄ * 6H₂O IMA mineral species
- Arsiccioite AgHg₂TlAs₂S₆ IMA mineral species
- Arsmirandite Na₁₈Cu₁₂Fe³⁺O₈(AsO₄)₈Cl₅ IMA mineral species
- Arthurite CuFe³⁺₂(AsO₄)₂(OH)₂ * 4H₂O IMA mineral species
- Artinite Mg₂CO₃(OH)₂·3H₂O IMA mineral species
- Artroeite PbAlF₃(OH)₂ IMA mineral species
- Artsmithite (Hg+₂)₂Al(PO₄)₁.₇₄(OH)₁.₇₈ IMA mineral species
- Arupite IMA mineral species
- Arzakite Hg₃S₂Br₂ IMA mineral species
- Arzamastsevite K₆Al₅Si₆O₂₀(OH)₄Cl IMA mineral species
- Arzrunite Pb₂Cu₄SO₄(OH)₄Cl₆·2H₂O IMA mineral species
- Asagiite NiCu₄(SO₄)(OH)₆·6H₂O IMA mineral species
- Asbecasite Ca₃(Ti,Sn₄+)Be₂(AsO₃)₆(SiO₄)₂ IMA mineral species
- Asbolane Mn⁴⁺(O,OH)₂·(Co,Ni,Mg,Ca)ₓ(OH)₂ₓ·nH₂O IMA mineral species
- Aschamalmite Pb₆₋₃ₓBi₂₊ₓS₉ IMA mineral species
- Åsgruvanite-(Ce) Ce₁₆Ca₅Al(SiO₄)₆(AsO₃)₈(CO₃)₂Cl₄F₃(OH)₂ IMA mineral species
- Ashburtonite HCu₄Pb₄Si₄O₁₂(HCO₃)₄(OH)₄Cl IMA mineral species
- Ashcroftine-(Y) K₅Na₅Y₁₂Si₂₈O₇₀(OH)₂(CO₃)₈·8H₂O IMA mineral species
- Ashoverite Zn(OH)₂ IMA mineral species
- Asimowite Fe₂SiO₄ IMA mineral species
- Asisite Pb₇SiO₈Cl₂ IMA mineral species
- Åskagenite-(Nd) Mn²⁺NdAl₂Fe³⁺(Si₂O₇)(SiO₄)O₂ IMA mineral species
- Aspedamite ☐ ₁₂(Fe²⁺₃Fe²⁺)Nb₄(ThNb₉Fe²⁺₃ Ti₄+O₄₂)(H₂O)₉(OH)₃ IMA mineral species
- Aspidolite NaMg₃(AlSi₃O₁₀)(OH)₂ IMA mineral species
- Asselbornite Pb(UO₂)₄(BiO)₃(AsO₄)₂(OH)₇·4H₂O IMA mineral species
- Astrocyanite-(Ce) Cu₂(Ce,Nd,La)₂(UO₂)(CO₃)₅(OH)₂ * 1.5H₂O IMA mineral species
- Astrophyllite K₂NaFe²⁺₇Ti₂Si₈O₂₈(OH)₄F IMA mineral species
- Atacamite Cu₂Cl(OH)₃ IMA mineral species
- Atelestite Bi₂(AsO₄)O(OH) IMA mineral species
- Atelisite-(Y) Y₄Si₃O₈(OH)₈ IMA mineral species
- Atencioite Ca₂Fe²⁺₃Mg₂Be₄(PO₄)₆(OH)₄ * 6H₂O IMA mineral species
- Athabascaite Cu₅Se₄ IMA mineral species
- Atheneite Pd₂As₀.₇₅Hg₀.₂₅ IMA mineral species
- Atlasovite K(BiO)Cu₆Fe³⁺(SO₄)₅O₃Cl IMA mineral species
- Atokite Pd₃Sn IMA mineral species
- Attakolite (Ca,Sr)Mn(Al,Fe)₄(HPO₄,PO₄)₃(SiO₄,PO₄)(OH)₄ IMA mineral species
- Attikaite Ca₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O IMA mineral species
- Aubertite Cu²⁺Al(SO₄)₂Cl·14H₂O IMA mineral species
- Auerbakhite IMA mineral species
- Augelite Al₂PO₄(OH)₃ IMA mineral species
- Augite (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O IMA mineral species
- Auriacusite Fe³⁺Cu²⁺(AsO₄)O IMA mineral species
- Aurichalcite (Zn,Cu²⁺)₅(CO₃)₂(OH)₆ IMA mineral species
- Auricupride AuCu₃ IMA mineral species
- Aurihydrargyrumite Au₆Hg₅ IMA mineral species
- Aurivilliusite Hg⁺Hg²⁺OI IMA mineral species
- Auropearceite [Ag₉AuS₄][Ag₆As₂S₇] IMA mineral species
- Auropolybasite [Ag₉AuS₄][Ag₆Sb₂S₇] IMA mineral species
- Aurorite Mn²⁺Mn⁴⁺₃O₇·3H₂O IMA mineral species
- Auroselenide AuSe IMA mineral species
- Aurostibite AuSb₂ IMA mineral species
- Austinite CaZnAsO₄(OH) IMA mineral species
- Autunite Ca(UO₂)₂(PO₄)₂·(10-12)H₂O IMA mineral species
- Avdeevite NaAl₄(Be₅Li)(Si₆O₁₈)₂(H₂O)1-2 IMA mineral species
- Avdoninite K₂Cu₅Cl₈(OH)₄·H₂O IMA mineral species
- Aventurine Rock
- Averievite Cu₆(VO₄)₂O₂Cl₂ IMA mineral species
- Avicennite Tl₂O₃ IMA mineral species
- Avogadrite KBF₄ IMA mineral species
- Awaruite Ni₂Fe IMA mineral species
- Axelite Na₁₄Cu₇(AsO₄)₈F₂Cl₂ IMA mineral species
- Axinite-(Fe) IMA mineral species
- Axinite-(Mg) Ca₂MgAl₂BSi₄O₁₅OH IMA mineral species
- Axinite-(Mn) Ca₂Mn²⁺Al₂BSi₄O₁₅(OH) IMA mineral species
- Azoproite Mg₂(Ti₀.₅Mg₀.₅)O₂(BO₃) IMA mineral species
- Azurite Cu₃(CO₃)₂(OH)₂ IMA mineral species
- Azurite-malachite Gem material
