| Adachiite | CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH) |
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| Adrianite | Ca12(Al4Mg3Si7)O32Cl6 |
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| Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
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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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| Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
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| Ajoite | (K,Na)Cu7AlSi9O24(OH)6 · 3H2O |
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| Akatoreite | Mn92+Al2Si8O24(OH)8 |
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| Albite | Na(AlSi3O8) |
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| Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
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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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| Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
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| Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 |
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| Almandine | Fe32+Al2(SiO4)3 |
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| Almarudite | K◻2Mn22+(Be2Al)[Si12O30] |
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| Alnaperbøeite-(Ce) | Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2 |
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| Alpeite | Ca4Mn23+Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6 |
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| Altisite | Na3K6Ti2Al2Si8O26Cl3 |
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| Alumino-oxy-rossmanite | ◻Al3Al6(Si5AlO18)(BO3)3(OH)3O |
|---|
| Aluminoceladonite | K(MgAl◻)(Si4O10)(OH)2 |
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| Aluminocerite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3 |
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| Aluminosugilite | KNa2Al2Li3[Si12O30] |
|---|
| Aluminotaipingite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4F3 |
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| Alumoåkermanite | (CaNa)Al[Si2O7] |
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| Alumovesuvianite | Ca19AlAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
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| Amesite | Mg2Al(AlSiO5)(OH)4 |
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| Amicite | K2Na2Al4Si4O16 · 5H2O |
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| Aminoffite | Ca2(Be,Al)(Si2O7)(H2O,OH) |
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| Ammonioleucite | (NH4)(AlSi2O6) |
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| Amstallite | CaAl[(Al,Si)4O8(OH)2](OH)2 · (H2O,Cl) |
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| Analcime | Na(AlSi2O6) · H2O |
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| Anandite | (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 |
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| Andalusite | Al2(SiO4)O |
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| Annite | KFe32+(AlSi3O10)(OH)2 |
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| Anorthite | Ca(Al2Si2O8) |
|---|
| Ardennite-(As) | Mn42+Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6 |
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| Ardennite-(V) | Mn42+Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6 |
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| Armenite | Ba(H2O)2Ca2Al3[Al3Si9O30] |
|---|
| Åskagenite-(Nd) | (Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]O |
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| Aspidolite | NaMg3(AlSi3O10)(OH)2 |
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| Attakolite | CaMn2+Al4(SiO3OH)(PO4)3(OH)4 |
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| Avdeevite | NaAl4(Be5Li)(Si6O18)2(H2O)1-2 |
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| Axinite-(Fe) | Ca2Fe2+Al2BSi4O15OH |
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| Axinite-(Mg) | Ca2MgAl2BSi4O15OH |
|---|
| Axinite-(Mn) | Ca2Mn2+Al2BSi4O15(OH) |
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| Badakhshanite-(Y) | Y2Mn4Al(Si2B7BeO24) |
|---|
| Baileychlore | (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 |
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