| '"Herkimer-style" Quartz' | SiO2 |
|---|
| ''Unnamed (Monoclinic Phase-II Cristobalite)'' | SiO2 |
|---|
| '10 Å Phase' | Mg, Si, O, H |
|---|
| Abenakiite-(Ce) | Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)O |
|---|
| Abswurmbachite | CuMn63+(SiO4)O8 |
|---|
| 'Acarbodavyne' | (Na,Ca,K)8(Si6Al6)O24(Cl,SO4)2-3
|
|---|
| Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
|---|
| 'Actinolite Root Name Group' | ◻Ca2(Mg0-4.5M2+0.5-5)Si8O22(OH,F,Cl)2 |
|---|
| Adachiite | CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH) |
|---|
| 'Adamsite' | KAl2(AlSi3O10)(OH)2 |
|---|
| Adrianite | Ca12(Al4Mg3Si7)O32Cl6 |
|---|
| 'Adularia' | KAlSi3O8 |
|---|
| Aegirine | NaFe3+Si2O6 |
|---|
| Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
|---|
| Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
|---|
| Aerinite | (Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12] |
|---|
| 'Aeroides' | Be3Al2(Si6O18) |
|---|
| 'Afanasievaite' | Ca8(Si2O7)2Cl2O |
|---|
| Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
|---|
| Afwillite | Ca3(HSiO4)2 · 2H2O |
|---|
| 'Ag-Analcite' | AgAl[Si2O6] · H2O |
|---|
| Agakhanovite-(Y) | K◻2(YCa)Be3[Si12O30] |
|---|
| 'Agalmatolite' | K, Al, Si, O, H |
|---|
| 'Agate-Jasper' | SiO2 |
|---|
| 'Agatized coral' | SiO2 |
|---|
| 'Aglaurite' | K(AlSi3O8) |
|---|
| Agrellite | NaCa2Si4O10F |
|---|
| Ahrensite | SiFe2O4 |
|---|
| Ajoite | (K,Na)Cu7AlSi9O24(OH)6 · 3H2O |
|---|
| Akatoreite | Mn92+Al2Si8O24(OH)8 |
|---|
| Åkermanite | Ca2Mg[Si2O7] |
|---|
| Akimotoite | (Mg,Fe2+)SiO3 |
|---|
| Aklimaite | Ca4[Si2O5(OH)2](OH)4 · 5H2O |
|---|
| 'Al-Antigorite' | Mg3((Si,Al)2O5)(OH)4 |
|---|
| 'Al-illite-hydromica' | KAl2(AlSi3O10)(OH)2 |
|---|
| 'Al-lizardite' | Mg3((Si,Al)2O5)(OH)4 |
|---|
| Alamosite | PbSiO3 |
|---|
| Albite | Na(AlSi3O8) |
|---|
| 'Albite Moonstone' | Na(AlSi3O8) |
|---|
| 'Albovite' | Ca2(SiO4) · CaCl2 |
|---|
| Aleksandrovite | KCa7Sn2Li3Si12O36F2 |
|---|
| 'Alexandrolite' | Cr2Al4Si8O25 · 6H2O
Or near |
|---|
| Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) |
|---|
| Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) |
|---|
| Alflarsenite | NaCa2Be3Si4O13(OH) · 2H2O |
|---|
| Alfredcasparite | Sr2TiO(Si2O7) |
|---|
| 'Algerite' | Ca4Al6Si6O24CO3 |
|---|
| Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
|---|
| 'Alipite' | (Ni,Mg)3Si4O10(OH)2 · nH2O |
|---|
| 'Alkali-beryl' | Be3Al2(Si6O18) |
|---|
