| 'Al-lizardite' | Mg3((Si,Al)2O5)(OH)4 |
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| 'Alabaster' | CaSO4 · 2H2O |
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| 'Alaite' | V2O5 · H2O |
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| Albertiniite | Fe2+(SO3) · 3H2O |
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| Albrechtschraufite | Ca4Mg(UO2)2(CO3)6F2 · 17-18H2O |
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| 'Albrittonite' | CoCl2 · 6H2O |
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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 |
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| Aldermanite | [Mg(H2O)6][Na(H2O)2Al3(PO4)2(OH,F)6] · H2O |
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| Aldomarinoite | Sr2Mn3+(AsO4)2(OH) |
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| Aldridgeite | (Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O |
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| 'Aldzhanite' | CaMgB2O4Cl · 7H2O
|
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| 'Alexandrolite' | Cr2Al4Si8O25 · 6H2O
Or near |
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| Alexkhomyakovite | K6(Ca2Na)(CO3)5Cl · 6H2O |
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| Alflarsenite | NaCa2Be3Si4O13(OH) · 2H2O |
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| Alfredopetrovite | Al2(Se4+O3)3 · 6H2O |
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| Alfredstelznerite | Ca4(H2O)4[B4O4(OH)6]4(H2O)15 |
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| Alicewilsonite-(YCe) | Na2Sr2YCe(CO3)6 · 3H2O |
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| Alicewilsonite-(YLa) | Na2Sr2YLa(CO3)6 · 3H2O |
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| Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
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| 'Alipite' | (Ni,Mg)3Si4O10(OH)2 · nH2O |
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| '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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| 'Alkali-oxyapatite' | Ca5(PO4)3(OH) |
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| Allactite | Mn72+(AsO4)2(OH)8 |
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| 'Allanite Group' | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
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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 |
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| Allantoin | C4H6N4O3 |
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| Alleghanyite | Mn52+(SiO4)2(OH)2 |
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| Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
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| 'Allophane-evansite' | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
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| 'Allophite' | Mg8Al4Si5O24 · H2O |
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| Alluaivite | Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl · 2H2O |
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| 'Almashite' | C10H16O + (H2S) |
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| Almeidaite | PbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O) |
|---|
| Alnaperbøeite-(Ce) | Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2 |
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| 'Aloisiite' | Na2(Ca,Fe,Mg)5Si2O10 · 2H2O |
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| Alpeite | Ca4Mn23+Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6 |
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| Alpersite | (Mg,Cu)(SO4) · 7H2O |
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| 'Alpha-Wiikite' | Ca3UNb3O12(OH)3 |
|---|
| Alsakharovite-Zn | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O |
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| Alterite | Zn2Fe43+(SO4)4(C2O4)2(OH)4 · 17H2O |
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| Althausite | Mg4(PO4)2(OH,O)(F,◻) |
|---|
| Althupite | AlTh(UO2)7(PO4)4(OH)5O2 · 15H2O |
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