| Nataliakulikite | Ca4Ti2(Fe3+,Fe2+)(Si,Fe3+,Al)O11 |
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| Natisite | Na2Ti(SiO4)O |
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| Natrotitanite | (Na0.5Y0.5)Ti(SiO4)O |
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| Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O |
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| Neptunite | KNa2Li(Fe2+)2Ti2[Si4O12]2 |
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| Neskevaaraite-Fe | K3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O |
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| Niobobaotite | Ba4(Ti2.5Fe2+1.5)Nb4Si4O28Cl |
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| Niobokupletskite | K2NaMn72+(Nb,Ti)(Si4O12)2O2(OH)4(O,F) |
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| Niobophyllite | (K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31 |
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| Noonkanbahite | BaKNaTi2(Si4O12)O2 |
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| Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF |
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| Odinite | (Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4 |
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| Odintsovite | K2Na4Ca3Ti2Be4Si12O38 |
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| Ohmilite | Sr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2O |
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| Organovaite-Mn | K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O |
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| Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O |
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| Orlovite | KLi2Ti(Si4O10)OF |
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| Orthojoaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O |
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| Orthojoaquinite-(La) | NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O |
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| Oxo-magnesio-hastingsite | NaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2 |
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| Oxykinoshitalite | (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 |
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| Oxyphlogopite | K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 |
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| Pabstite | Ba(Sn,Ti)(Si3O9) |
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| Paqueite | Ca3TiSi2(Al,Ti,Si)3O14 |
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| Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O |
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| Paralabuntsovite-Mg | Na8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2O |
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| Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) |
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| Paranatisite | Na2Ti(SiO4)O |
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| Paratsepinite-Ba | Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O |
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| Paratsepinite-Na | (Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8 |
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| Paravinogradovite | Na1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2O |
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| Penkvilksite | Na4Ti2Si8O22 · 4H2O |
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| Perraultite | BaNaMn42+Ti2(Si2O7)2O2(OH)2F |
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| Perrierite-(Ce) | Ce4MgFe23+Ti2(Si2O7)2O8 |
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| Perrierite-(La) | (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 |
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| Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F |
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| Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 |
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| Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 |
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| Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 |
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| Potassic-jeanlouisite | K(NaCa)(Mg4Ti)Si8O22O2 |
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| Punkaruaivite | LiTi2(HSi4O12)(OH)2 · H2O |
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| Pyatenkoite-(Y) | Na5YTi[SiO3]6 · 6H2O |
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| Qeltite | Ca3TiSi2(Fe23+Si)O14 |
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| Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 |
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| Raite | Mn2+Mn22+Na2(◻1.75Ti0.25)Si8O20(OH)2(H2O)4 · Na(H2O)6 |
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| Rengeite | Sr4ZrTi4(Si2O7)2O8 |
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| Rhönite | Ca4[Mg8Fe23+Ti2]O4[Si6Al6O36] |
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| Rinkite-(Ce) | (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2 |
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| Rinkite-(Y) | Na2Ca4YTi(Si2O7)2OF3 |
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| Rippite | K2(Nb,Ti)2(Si4O12)O(O,F) |
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