| Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 |
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| Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] |
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| Potassic-magnesio-hastingsite | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
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| Potassic-mangani-leakeite | [(Na,K)][Na2][Mg2Mn23+Li]Si8O22(OH)2 |
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| Potassic-pargasite | KCa2(Mg4Al)(Si6Al2)O22(OH)2 |
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| Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
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| Potassic-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2 |
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| Povondraite | NaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O |
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| Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 |
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| Prismatine | (◻,Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 |
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| Proto-anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
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| Protoenstatite | Mg2Si2O6 |
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| Pumpellyite-(Mg) | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
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| Pyrope | Mg3Al2(SiO4)3 |
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| Rhönite | Ca4[Mg8Fe23+Ti2]O4[Si6Al6O36] |
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| Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
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| Ringwoodite | (Mg,Fe2+)2SiO4 |
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| Roedderite | K(◻Na)Mg2Mg3[Si12O30] |
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| Rondorfite | Ca8Mg(SiO4)4Cl2 |
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| Roymillerite | Pb24Mg9(Si10O28)(CO3)10(BO3)(SiO4)(OH)13O5 |
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| Ryabchikovite | CuMgSi2O6 |
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| Sadanagaite | {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 |
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| Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
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| Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] |
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| Scandio-winchite | ◻(NaCa)(Mg4Sc)(Si8O22)(OH)2 |
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| Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
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| Serendibite | Ca4[Mg6Al6]O4[Si6B3Al3O36] |
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| Shirokshinite | K(NaMg2)(Si4O10)F2 |
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| Shuiskite-(Mg) | Ca2MgCr23+[Si2O6OH][SiO4](OH)2(OH) |
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| Sklodowskite | Mg(UO2)2(SiO3OH)2 · 6H2O |
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| Skogbyite | Zr(Mg2Mn43+)SiO12 |
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| Spadaite | MgSiO2(OH)2 · H2O (?) |
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| Stevensite | (Ca,Na)xMg3-x(Si4O10)(OH)2 |
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| Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
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| Suenoite | ◻Mn2Mg5Si8O22(OH)2 |
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| Surinamite | (Mg,Fe)3Al4BeSi3O16 |
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| Sverigeite | NaMnMgSnBe2(SiO4)3(OH) |
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| Tainiolite | KLiMg2(Si4O10)F2 |
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| Taipingite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3 |
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| Talc | Mg3Si4O10(OH)2 |
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| Taramite | Na(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2 |
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| Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
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| Trattnerite | ◻(◻)2Fe23+Mg3[Si12O30] |
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| Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
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| Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
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| Ulfanderssonite-(Ce) | (Ce15Ca)Σ16Mg2(SiO4)10(SiO3OH)(OH,F)5Cl3 |
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| Uvite | CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) |
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| Vanadio-oxy-chromium-dravite | NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O |
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| Vanadio-oxy-dravite | NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O |
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| Vanadio-pargasite | NaCa2(Mg43+V)(Al2Si6)O22(OH)2 |
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