| Acmonidesite | (NH4,K,Pb)8NaFe42+(SO4)5Cl8 |
|---|
| Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
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| Adachiite | CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH) |
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| 'Adlerstein' | FeO(OH) · nH2O |
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| Adranosite-(Fe) | (NH4)4NaFe23+(SO4)4Cl(OH)2 |
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| Aerinite | (Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12] |
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| Aeschynite-(Ce) | (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 |
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| 'Agaphite' | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
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| Aheylite | (Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O |
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| Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
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| Albertiniite | Fe2+(SO3) · 3H2O |
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| Alcantarillaite | [Fe3+0.5(H2O)4][CaAs23+(Fe3+2.5W6+0.5)(AsO4)2O7] |
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| Alcaparrosaite | K3Ti4+Fe3+(SO4)4O(H2O)2 |
|---|
| 'Alkali-femaghastingsite' | {Na}{Ca2}{Fe42+Fe3+}(Al2Si6O22)(OH)2 |
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| 'Alkali-ferrohastingsite' | {Na}{Ca2}{Fe42+Fe3+}(Al2Si6O22)(OH)2 |
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| Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
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| Allanite-(La) | (CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH) |
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| Allanite-(Nd) | (CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH) |
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| Allanite-(Sm) | (CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH) |
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| Allanite-(Y) | (CaY)(AlAlFe2+)O[Si2O7][SiO4](OH) |
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| 'Allanite-Epidote' | {(Ca,REE)2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
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| Allanpringite | Fe33+(PO4)2(OH)3 · 5H2O |
|---|
| Almeidaite | PbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O) |
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| 'Aloisiite' | Na2(Ca,Fe,Mg)5Si2O10 · 2H2O |
|---|
| Alterite | Zn2Fe43+(SO4)4(C2O4)2(OH)4 · 17H2O |
|---|
| 'Aluminian Ferrian Chrysocolla' | Cu2-x(Al,Fe)x(H2-xSi2O5)(OH)4 · nH2O |
|---|
| 'Aluminian Ferroanthophyllite' | ◻{Fe22+}{Fe52+}((Si,Al)8O22)(OH)2 |
|---|
| 'Aluminian Hisingerite' | (Fe3+,Al)2Si2O5(OH)4 · 2H2O |
|---|
| 'Aluminian nontronite' | Na0.33Fe2.17Al0.83Si3.17O10(OH)2 or close |
|---|
| 'Aluminian Scorodite' | (Fe3+,Al)AsO4 · 2H2O |
|---|
| 'Aluminian Strengite' | (Fe,Al)PO4 · 2H2O |
|---|
| 'Aluminium-glauconite' | (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2 |
|---|
| 'Aluminium-saponite' | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
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| Aluminocopiapite | Al2/3Fe43+(SO4)6(OH)2 · 20H2O |
|---|
| Aluminocoquimbite | Al2Fe2(SO4)6(H2O)12 · 6H2O |
|---|
| 'Aluminous Coquimbite' | Fe2-xAlx(SO4)3 · 9H2O, x ~0.5 |
|---|
| 'Alumo-chalcosiderite' | Cu(Fe,Al)6(PO4)4(OH)8 · 5H2O |
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| 'Alumogoethite' | (Fe,Al)OOH |
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| 'Alumolimonite' | (Fe,Al)OOH · nH2O |
|---|
| 'Alumolyndochite' | (Ce,Ca,Fe,Th,Al)(Ti,Nb)2(O,OH)6 |
|---|
| Amakinite | Fe2+(OH)2 |
|---|
| Amarantite | Fe23+(SO4)2O · 7H2O |
|---|
| Amarillite | NaFe(SO4)2 · 6H2O |
|---|
| 'Ammonian Metavoltine' | Na6(K,NH4)2Fe2+Fe63+(SO4)12O2 · 18H2O |
|---|
| Ammoniojarosite | (NH4)Fe33+(SO4)2(OH)6 |
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| Ammoniomagnesiovoltaite | (NH4)2Mg52+Fe33+Al(SO4)12 · 18H2O |
|---|
| Ammoniovoltaite | (NH4)2Fe52+Fe33+Al(SO4)12(H2O)18 |
|---|
| 'Amosite' | ◻{Fe22+}{Fe52+}(Si8O22)(OH)2 |
|---|
| Anandite | (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 |
|---|
| Anapaite | Ca2Fe2+(PO4)2 · 4H2O |
|---|
