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Minerals containing calcium
1,411 minerals
Calcium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Nashite | Na₃Ca₂[(V⁴⁺V⁵⁺₉)O₂₈]·24H₂O | Monoclinic | — | — |
| Nasonite | Pb₆Ca₄(Si₂O₇)₃Cl₂ | Hexagonal | — | — |
| Nataliakulikite | Ca₄Ti₂(Fe³⁺,Fe²⁺)(Si,Fe³⁺,Al)O₁₁ | Orthorhombic | — | — |
| Natromarkeyite | Na₂Ca₈(UO₂)₄(CO₃)₁₃(H₂O)₂₄·3H₂O | Orthorhombic | — | — |
| Natronambulite | (Na,Li)(Mn,Ca)₄Si₅O₁₄OH | — | — | — |
| Natrouranospinite | (Na₂,Ca)(UO₂)₂(AsO₄)₂ * 5H₂O | — | 2.5 | — |
| Naujakasite | (Na,K)₆(Fe²⁺,Mn²⁺,Ca)(Al,Fe)₄Si₈O₂₆ | — | — | — |
| Nazarchukite | Ca₂NiFe³⁺₂(PO₄)₄ | Orthorhombic | — | — |
| Nefedovite | Na₅Ca₄(PO₄)₄F | Tetragonal | — | — |
| Nekoite | Ca₃Si₆O₁₅*₇H₂O | — | — | — |
| Neltnerite | CaMn³⁺₆(SiO₄)O₈ | Tetragonal | 6.0 | — |
| Nestolaite | CaSeO₃·H₂O | Monoclinic | — | — |
| Nickelaustinite | CaNi(AsO₄)(OH) | Orthorhombic | — | 4.16 g/cm³ |
| Nickellotharmeyerite | CaNi₂(AsO₄)₂·2H₂O | Monoclinic | — | 4.45 g/cm³ |
| Nickeltalmessite | Ca₂Ni(AsO₄)₂·2H₂O | Triclinic | — | — |
| Nickenichite | (Na,Ca,Cu)₁.₆(Mg,Fe,Al)₃(AsO₄)₃ | — | 3.0 | 4.06 g/cm³ |
| Nifontovite | Ca₃B₆O₆(OH)₁₂(H₂O)₂ | Monoclinic | — | — |
| Niigataite | CaSrAl₃[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Nikmelnikovite | Ca₁₂Fe²⁺Fe³⁺₃Al₃(SiO₄)₆(OH)₂₀ | Trigonal | — | — |
| Ningyoite | (U,Ca,Ce)₂(PO₄)₂·1-2H₂O | — | — | — |
| Nioboaeschynite-(Ce) | (Ce,Ca)(Nb,Ti)₂(O,OH)₆ | Orthorhombic | — | — |
| Nioboaeschynite-(Y) | (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)₂(O,OH)₆ | Orthorhombic | — | — |
| Niocalite | Ca₇Nb(Si₂O₇)₂O₃F | Monoclinic | — | 3.17 g/cm³ |
| Nitrocalcite | Ca(NO₃)₂·4H₂O | Monoclinic | — | — |
| Nobleite | CaB₆O₉(OH)₂·3H₂O | Monoclinic | — | — |
| Nordenskiöldine | CaSn⁴⁺(BO₃)₂ | Trigonal | — | — |
| Nordite-(Ce) | (Ce,La)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇ | — | — | — |
| Nordite-(La) | (La,Ce)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇ | — | — | — |
| Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF | Monoclinic | — | — |
| Novgorodovaite | Ca₂(C₂O₄)Cl₂·2H₂O | Monoclinic | 2.5 | — |
| Numanoite | Ca₄CuB₄O₆(OH)₆(CO₃)₂ | Monoclinic | — | — |
| Nybergite | Ca₄Sc₃Sn(Si₂O₇)(Si₂O₆OH)₃ | Triclinic | — | — |
| Nyerereite | Na₂Ca(CO₃)₂ | Orthorhombic | 2.5 | — |
| Oboyerite | H₆(Pb,Ca)₆(Te₄+O₃)₃(Te₆+O₆)₂ * 2H₂O | — | — | — |
| Odigitriaite | CsNa₅Ca₅[Si₁₄B₂O₃₈]F₂ | Monoclinic | — | — |
| Odintsovite | K₂Na₄Ca₃Ti₂Be₄Si₁₂O₃₈ | Orthorhombic | — | — |
| Offretite | KCaMg(Si₁₃Al₅)O₃₆·15H₂O | Hexagonal | 4.0 | — |
| Ogdensburgite | Ca₂Fe³⁺₄(Zn,Mn²⁺)(AsO₄)₄(OH)₆·6H₂O | — | — | — |
| Okanoganite-(Y) | (Na,Ca)₃(Y,Ce)₁₂Si₆B₂O₂₇F₁₄ | — | — | — |
| Okayamalite | Ca₂B(BSiO₇) | Tetragonal | — | — |
| Okenite | Ca₁₀Si₁₈O₄₆·18H₂O | Triclinic | — | — |
| Okhotskite | Ca₂Mn²⁺Mn³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Okruschite | Ca₂Mn²⁺₅Be₄(AsO₄)₆(OH)₄·6H₂O | Monoclinic | 3.5 | — |
| Oldhamite | CaS | Cubic | 4.0 | 2.58 g/cm³ |
| Olekminskite | Sr(Sr,Ca,Ba)(CO₃)₂ | Trigonal | 3.0 | — |
| Olmiite | CaMn[SiO₃(OH)](OH) | Orthorhombic | — | — |
| Olshanskyite | Ca₂[B₃O₃(OH)₆]OH·3H₂O | Triclinic | — | — |
| Omongwaite | Na₂Ca₅(SO₄)₆·3H₂O | Monoclinic | — | — |
| Omphacite | (Ca,Na)(Mg,Fe,Al)Si₂O₆ | Monoclinic | — | — |
| Ondrušite | CaCu₄(AsO₄)₂(AsO₃OH)₂·10H₂O | Triclinic | — | — |
| Oneillite | Na₁₅Ca₃Mn₃Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(OH,Cl)₂ | Trigonal | — | — |
| Ophirite | Ca₂Mg₄[Zn₂Mn³⁺₂(H₂O)₂(Fe³⁺W₉O₃₄)₂]·46H₂O | Triclinic | — | — |
| Orientite | Ca₈Mn³⁺₁₀(SiO₄)₃(Si₃O₁₀)₃(OH)₁₀·4H₂O | Orthorhombic | — | — |
| Orlymanite | Ca₄Mn²⁺₃Si₈O₂₀(OH)₆·2H₂O | Hexagonal | — | — |
| Orschallite | Ca₃(S⁴⁺O₃)₂(SO₄)·12H₂O | — | — | — |
| Orthoserpierite | Ca(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O | Orthorhombic | — | — |
| Overite | CaMgAl(PO₄)₂(OH)·4H₂O | Orthorhombic | — | — |
| Oxo-magnesio-hastingsite | NaCa₂(Mg₂Fe³⁺₃)(Si₆Al₂)O₂₂O₂ | Monoclinic | 6.0 | — |
| Oxycalciomicrolite | Ca₂Ta₂O₇ | Cubic | — | — |
| Oxycalciopyrochlore | Ca₂Nb₂O₆O | Orthorhombic | 5.0 | 4.41 g/cm³ |
| Oxycalcioroméite | Ca₂Sb₂O₆O | Cubic | — | 5.16 g/cm³ |
| Oxynatromicrolite | (Na,Ca,U)₂(Ta,Nb)₂O₆(O,F) | Cubic | — | — |
| Oxystibiomicrolite | (Sb³⁺,Ca)₂Ta₂O₆O | Cubic | 5.5 | — |
| Oyelite | Ca₁₀Si₈B₂O₂₉ * 12.₅H₂O | Orthorhombic | — | — |
| Paceite | CaCu(CH₃COO)₂·6H₂O | Tetragonal | 1.5 | — |
| Pachnolite | NaCaAlF₆(H₂O) | Monoclinic | 3.0 | — |
| Packratite | Ca₁₁(H₂O)₅₉(As³⁺V⁵⁺₁₀V⁴⁺₂As⁵⁺₆O₅₁)₂∙24H₂O | Triclinic | — | — |
| Paddlewheelite | MgCa₅Cu₂(UO₂)₄(CO₃)₁₂(H₂O)₃₃ | — | — | — |
| Pahasapaite | Li₈(Ca,Li,K)₁₀Be₂₄(PO₄)₂₄·38H₂O | Cubic | — | — |
| Painite | CaZrAl₉(BO₃)O₁₅ | Hexagonal | 8.0 | 4.00 g/cm³ |
| Palenzonaite | (NaCa₂)Mn²⁺₂(VO₄)₃ | — | — | — |
| Panasqueiraite | CaMg(PO₄)(OH,F) | — | — | — |
| Pandoraite-Ca | CaV₄+₅V₅+₂O₁₆*₃H₂O | Monoclinic | — | — |
| Panethite | (Na,Ca)₂(Mg,Fe²⁺)₂(PO₄)₂ | Monoclinic | — | — |
| Panguite | (Ti,Al,Sc,Mg,Zr,Ca)₁.₈O₃ | Orthorhombic | — | — |
| Papagoite | CaCuAlSi₂O₆(OH)₃ | Monoclinic | — | 3.25 g/cm³ |
| Paqueite | Ca₃TiSi₂(Al,Ti,Si)₃O₁₄ | Trigonal | — | — |
| Para-alumohydrocalcite | CaAl₂(CO₃)₂(OH)₄ * 6H₂O | — | — | — |
| Paraberzeliite | NaCa₂Mg₂(AsO₄)₃ | Monoclinic | — | — |
| Parabrandtite | Ca₂Mn²⁺(AsO₄)₂ * 2H₂O | — | — | — |