| Achalaite | Fe²⁺TiNb₂O₈ | Monoclinic | — | — |
| Achyrophanite | (K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅ | Orthorhombic | — | — |
| Aenigmatite | Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆] | Triclinic | 5.5 | — |
| Aeschynite-(Ce) | Ce(TiNb)O₆ | Orthorhombic | — | — |
| Aeschynite-(Nd) | Nd(TiNb)O₆ | — | — | — |
| Aeschynite-(Y) | Y(TiNb)O₆ | Orthorhombic | — | — |
| Akaogiite | TiO₂ | Monoclinic | — | 3.86 g/cm³ |
| Alcaparrosaite | K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂ | Monoclinic | — | — |
| Alfredcasparite | Sr₂TiO(Si₂O₇) | Tetragonal | — | — |
| Alluaivite | Na₁₉(Ca,Mn²⁺)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O | Trigonal | — | — |
| Almeidaite | PbZn₂(Mn,Y)(Ti,Fe³⁺)₁₈O₃₆(OH,O)₂ | Trigonal | — | — |
| Alsakharovite-Zn | NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O | Monoclinic | — | — |
| Altisite | Na₃K₆Ti₂Al₂Si₈O₂₆Cl₃ | Monoclinic | — | — |
| Amaterasuite | Sr₄Ti₆Si₄O₂₃(OH)Cl | Orthorhombic | — | — |
| Anatase | TiO₂ | Tetragonal | — | 3.90 g/cm³ |
| Anzaite-(Ce) | Ce₄Fe²⁺Ti₆O₁₈(OH)₂ | Monoclinic | — | — |
| Armalcolite | (Mg,Fe²⁺)Ti₂O₅ | Orthorhombic | — | — |
| Arsenatrotitanite | NaTi(AsO₄)O | Monoclinic | — | 3.72 g/cm³ |
| Asbecasite | Ca₃(Ti,Sn₄+)Be₂(AsO₃)₆(SiO₄)₂ | Trigonal | — | — |
| Aspedamite | ☐ ₁₂(Fe²⁺₃Fe²⁺)Nb₄(ThNb₉Fe²⁺₃ Ti₄+O₄₂)(H₂O)₉(OH)₃ | Cubic | — | — |
| Astrophyllite | K₂NaFe²⁺₇Ti₂Si₈O₂₈(OH)₄F | Triclinic | 3.0 | — |
| Augite | (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O | Monoclinic | — | — |
| Azoproite | Mg₂(Ti₀.₅Mg₀.₅)O₂(BO₃) | Orthorhombic | 5.5 | — |
| Bafertisite | Ba₂(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Baghdadite | Ca₃(Zr,Ti)(Si₂O₇)O₂ | Monoclinic | — | — |
| Baotite | Ba₄Ti₈Si₄O₂₈Cl | — | 6.0 | — |
| Baratovite | KCa₇(Ti,Zr)₂Li₃Si₁₂O₃₆F₂ | Monoclinic | — | — |
| Bario-orthojoaquinite | (Ba,Sr)₄Fe₂Ti₂[Si₄O₁₂]₂O₂ * H₂O | Orthorhombic | — | — |
| Barioperovskite | BaTiO₃ | Orthorhombic | — | 5.91 g/cm³ |
| Barytolamprophyllite | (BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Batievaite-(Y) | Ca₂Y₂[(H₂O)₂☐]Ti(Si₂O₇)₂(OH)₂(H₂O)₂ | Triclinic | — | — |
| Batiferrite | BaTi₂Fe³⁺₈Fe²⁺₂O₁₉ | Hexagonal | — | — |
| Batisite | BaNaNaTi₂(Si₄O₁₂)O₂ | — | — | — |
| Batisivite | BaTi₆(V,Cr)₈(Si₂O₇)O₂₂ | Triclinic | — | — |
| Belkovite | Ba₃(Nb,Ti)₆(Si₂O₇)₂O₁₂ | Hexagonal | — | — |
| Belyankinite | Ca₁-₂(Ti,Nb)₅O₁₂ * 9H₂O (?) | Amorphous | — | — |
| Benyacarite | (H₂O)₂Mn₂(Ti₂Fe³⁺)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | — | — | — |
| Berezanskite | K☐₂Li₃(Ti,Zr,Sn)₂[Si₁₂O₃₀] | — | — | — |
| Bergbauerite | (H₂O)₂Mn₂(Fe₂Ti)(PO₄)₄(OH)₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Bernwoodite | Ca₅TiAl₂Si₂O₁₄ | Monoclinic | — | — |
| Bobshannonite | KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂ | Triclinic | — | — |
| Bornemanite | Na₆(Na☐)Ba₂Ti₂Nb₂(Si₂O₇)₄(PO₄)₂O₄(OH)₂F₂ | Triclinic | — | — |
| Braithwaiteite | NaCu²⁺₅(Sb⁵⁺Ti⁴⁺)O₂(AsO₄)₄[AsO₃(OH)]₂·8H₂O | Triclinic | — | — |
| Brannerite | UTi₂O₆ | Monoclinic | — | — |
| Brannockite | (K,Na)☐₂Li₃(Sn,Zr,Ti)₂[Si₁₂O₃₀] | — | — | — |
| Brookite | TiO₂ | Orthorhombic | — | 3.86 g/cm³ |
| Bulgakite | Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(F,O)(H₂O)₂ | Triclinic | — | — |
| Burovaite-Ca | (Na,K)₄Ca₂(Ti,Nb)₈[Si₄O₁₂]₄(OH,O)₈·12H₂O | Monoclinic | — | — |
| Bussenite | Ba₄(Na,☐)₂(Fe²⁺,Na)₂Ti₂(Si₂O₇)₂(CO₃)₂O₂(OH)₂(H₂O)₂F₂ | Triclinic | — | — |
| Byelorussite-(Ce) | NaBa₂Ce₂MnTi₂[Si₄O₁₂]₂O₂(F,OH)·H₂O | Orthorhombic | — | — |
| Bykovaite | (Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂·3.5H₂O | Monoclinic | — | — |
| Byrudite | (Be,□)(V³⁺,Ti)₃O₆ | Orthorhombic | — | — |
| Byzantievite | Ba₅(Ca,REE,Y)₂₂(Ti,Nb)₁₈(SiO₄)₄[(PO₄),(SiO₄)]₄(BO₃)₉O₂₂[(OH),F]₄₃·₁.₅H₂O | Trigonal | — | — |
| Cafarsite | Ca₅.₉Mn₁.₇Fe₃Ti₃(AsO₃)₁₂ * 4-₅H₂O | Cubic | — | — |
| Cafetite | CaTi₂O₅·H₂O | Monoclinic | — | — |
| Calamaite | Na₂TiO(SO₄)₂*₂H₂O | Orthorhombic | — | — |
| Calciomurmanite | (Na,☐)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄ | Triclinic | — | — |
| Calciosamarskite | (Ca,Fe,Y)(Nb,Ta,Ti)O₄ | — | — | — |
| Calzirtite | Ca₂Zr₅Ti₂O₁₆ | Orthorhombic | — | 4.84 g/cm³ |
| Carlosturanite | (Mg,Fe²⁺,Ti)₂₁(Si,Al)₁₂O₂₈(OH)₃₄·H₂O | — | — | — |