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Minerals containing calcium
1,411 minerals
Calcium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Surkhobite | KBa₃Ca₂Na₂Mn₁₆Ti₈(Si₂O₇)₈O₈(OH)₄(F,O,OH)₈ | Monoclinic | — | — |
| Svabite | Ca₅(AsO₄)₃F | Hexagonal | — | 3.59 g/cm³ |
| Sveinbergeite | Ca(Fe²⁺₆Fe³⁺)Ti₂(Si₄O₁₂)₂O₂(OH)₅(H₂O)₄ | Triclinic | — | — |
| Svyatoslavite | Ca(Al₂Si₂O₈) | Orthorhombic | — | — |
| Svyazhinite | (Mg,Mn²⁺,Ca)(Al,Fe³⁺)(SO₄)₂F * 14H₂O | — | — | — |
| Swaknoite | (NH₄)₂Ca(HPO₄)₂ * H₂O | — | — | — |
| Swartzite | MgCa(UO₂)(CO₃)₃ * 12H₂O | Monoclinic | — | — |
| Synchysite-(Ce) | CaCe(CO₃)₂F | Monoclinic | — | — |
| Synchysite-(Nd) | CaNd(CO₃)₂F | Orthorhombic | — | — |
| Synchysite-(Y) | CaY(CO₃)₂F | Hexagonal | — | — |
| Syngenite | K₂Ca(SO₄)₂·H₂O | Monoclinic | 2.5 | — |
| Szilagyiite | NaCa₃(UO₂)(CO₃)₃(SeO₃)F(H₂O)₆ | Trigonal | — | — |
| Tacharanite | Ca₁₂Al₂Si₁₈O₃₃(OH)₃₆ | Monoclinic | — | — |
| Tachyhydrite | CaMg₂Cl₆·12H₂O | Trigonal | 2.0 | — |
| Tadzhikite-(Ce) | Ca₄Ce³⁺₂Ti☐(B₄Si₄O₂₂)(OH)₂ | — | — | — |
| Taipingite-(CeCa) | (Ce₇Ca₂)Mg(SiO₄)₃[SiO₃(OH)]₄F₃ | Trigonal | — | — |
| Takanelite | (Mn²⁺,Ca)₂ₓ(Mn⁴⁺)₁₋ₓO₂·0.7H₂O | — | — | — |
| Talmessite | Ca₂Mg(AsO₄)₂·2H₂O | — | 5.0 | — |
| Tamaite | (Ca,K,Ba,Na)₃-₄Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂·nH₂O | Monoclinic | — | — |
| Taneyamalite | (Na,Ca)(Mn,Mg,Fe)₁₂Si₁₂(O,OH)₄₄ | — | — | — |
| Tangdanite | Ca₂Cu₉(AsO₄)₄(SO₄)₀.₅(OH)₉·9H₂O | Monoclinic | — | — |
| Tangeite | CaCu(VO₄)(OH) | — | 3.5 | — |
| Taniajacoite | SrCaMn³⁺₂Si₄O₁₁(OH)₄·2H₂O | Triclinic | — | — |
| Tapiaite | Ca₅Al₂(AsO₄)₄(OH)₄·12H₂O | Monoclinic | — | — |
| Taramite | NaCaNa(Mg₃Al₂)Al₂Si₆O₂₂(OH)₂ | Monoclinic | — | — |
| Tarbagataite | (K☐)Ca(Fe,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅ | Triclinic | — | — |
| Taseqite | Na₁₂Sr₃Ca₆Fe₃Zr₃Nb[(Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl₂(O,OH,H₂O)₃ | Trigonal | — | — |
| Tashelgite | CaMgFe²⁺Al₉O₁₆(OH) | Monoclinic | — | — |
| Tassieite | NaCa₂Mg₃Fe²⁺₂F³⁺(PO₄)₆·2H₂O | — | — | — |
| Tatarinovite | Ca₃Al(SO₄)[B(OH)₄](OH)₆·12H₂O | Hexagonal | — | — |
| Tatarskite | Ca₆Mg₂(SO₄)₂(CO₃)₂(OH)₄Cl₄·7H₂O | Orthorhombic | — | — |
| Tazheranite | (Zr,Ti,Ca)(O,☐)₂ | — | — | — |
| Tazzoliite | Ba₂CaSr₀.₅Na₀.₅Ti₂Nb₃SiO₁₇[PO₂(OH)₂]₀.₅ | Orthorhombic | — | — |
| Tengchongite | CaO(UO₂)₆(MoO₄)₂O₅·12H₂O | Orthorhombic | — | — |
| Ternesite | Ca₅(SiO₄)₂(SO₄) | Orthorhombic | — | — |
| Terranovaite | (Na,Ca)₈(Si₆₈Al₁₂)O₁₆₀·~8H₂O | Orthorhombic | — | — |
| Tertschite | Ca₄B₁₀O₁₉·20H₂O | — | — | — |
| Teruggite | Ca₄Mg[AsB₆O₁₁(OH)₆]₂(H₂O)₁₂·2H₂O | Monoclinic | 2.5 | — |
| Thadeuite | CaMg₃(PO₄)₂(OH,F)₂ | Orthorhombic | — | — |
| Thaumasite | Ca₃Si(OH)₆(SO₄)(CO₃)·12H₂O | Hexagonal | 3.5 | — |
| Thomsenolite | NaCaAlF₆·H₂O | Monoclinic | 2.0 | — |
| Thomsonite-Ca | NaCa₂(Al₅Si₅)O₂₀·6H₂O | Orthorhombic | — | — |
| Thorbastnäsite | ThCa(CO₃)₂F₂·3H₂O | Hexagonal | — | — |
| Thorosteenstrupine | (Ca,Th,Mn)₃Si₄O₁₁F·6H₂O | Amorphous | — | — |
| Thorutite | (Th,U,Ca)Ti₂(O,OH)₆ | — | — | — |
| Tienshanite | KNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁ | Hexagonal | — | — |
| Tilasite | CaMg(AsO₄)F | Monoclinic | — | 3.63 g/cm³ |
| Tilleyite | Ca₅Si₂O₇(CO₃)₂ | Monoclinic | — | — |
| Tinaksite | K₂Na(Ca,Mn²⁺)₂Ti[O|Si₇O₁₈(OH)] | — | — | — |
| Tinzenite | Ca₆Al₄[B₂Si₈O₃₀](OH)₂ | Triclinic | — | — |
| Tiptopite | K₂(Li,Na,Ca)₆(Be₆P₆)O₂₄(OH)₂·1.3H₂O | Hexagonal | 3.5 | — |
| Tisinalite | Na₃H₃(Mn,Ca,Fe)TiSi₆(O,OH)₁₈ * 2H₂O | Trigonal | — | — |
| Tissintite | (Ca,Na,☐)AlSi₂O₆ | Monoclinic | — | — |
| Titanite | CaTiSiO₅ | Monoclinic | 5.5 | 3.42 g/cm³ |
| Tlapallite | (Ca,Pb)₃CaCu₆[Te₄+₃Te₆+O₁₂]₂(Te₄+O₃)₂(SO₄)₂·3H₂O | Monoclinic | — | — |
| Tobermorite | Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O | Orthorhombic | — | — |
| Todorokite | (Na,Ca,K,Ba,Sr)₁-x(Mn,Mg,Al)₆O₁₂·3-4H₂O | Monoclinic | — | — |
| Tokkoite | K₂Ca₄[Si₇O₁₈(OH)](OH,F) | — | — | — |
| Toturite | Ca₃Sn₂(SiFe³⁺₂)O₁₂ | Cubic | — | — |
| Tounkite | (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl·0.5H₂O | Hexagonal | — | — |
| Trabzonite | Ca₄(Si₃O₉)(OH)₂ | Monoclinic | — | — |
| Tranquillityite | (Fe²⁺,Ca)₈(Zr,Y)₂Ti₃(SiO₄)₃O₁₂ | Hexagonal | — | — |
| Traskite | Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O | Hexagonal | — | — |
| Tremolite | ☐Ca₂Mg₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Trimerite | CaBe₃Mn²⁺₂(SiO₄)₃ | Monoclinic | — | — |
| Tristramite | (Ca,U,Fe)(PO₄,SO₄)·2H₂O | Hexagonal | — | — |
| Truscottite | (Ca,Mn)₁₄Si₂₄O₅₈(OH)₈·2H₂O | — | — | — |
| Tsangpoite | Ca₅(PO₄)₂(SiO₄) | Hexagonal | — | — |
| Tschermakite | ☐Ca₂(Mg₃Al₂)Si₆Al₂O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Tschernichite | CaAl₂Si₆O₁₆·8H₂O | Tetragonal | — | — |
| Tschörtnerite | Ca₄(K,Ca,Sr,Ba)₃Cu₃Al₁₂Si₁₂O₄₈(OH)₈·20H₂O | Cubic | — | — |
| Tsepinite-Ca | (Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O | — | — | — |
| Tuite | Ca₃(PO₄)₂ | Trigonal | — | 2.78 g/cm³ |
| Tululite | Ca₁₄(Fe³⁺,Al)(Al,Zn,Fe³⁺,Si,P,Mn,Mg)₁₅O₃₆ | Cubic | — | — |
| Tungusite | Ca₄Fe₂Si₆O₁₅(OH)₆ | — | — | — |
| Tunisite | NaCa₂Al₄(CO₃)₄(OH)₈Cl | Tetragonal | — | — |
| Turkestanite | (K,☐)(Ca,Na)₂ThSi₈O₂₀·nH₂O | Tetragonal | — | — |
| Turneaureite | Ca₅(AsO₄)₃Cl | Hexagonal | — | — |
| Tuscanite | (K(Ca,Na)₆(Si,Al)₁₀O₂₂[SO₄,CO₃,(OH)₂])·H₂O | — | — | — |
| Tuzlaite | NaCaB₅O₈(OH)₂·3H₂O | Monoclinic | — | — |