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Minerals containing oxygen
4,631 minerals
Oxygen — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Andalusite | Al₂SiO₅ | Orthorhombic | 7.5 | 3.15 g/cm³ |
| Andersonite | Na₂Ca(UO₂)(CO₃)₃·6H₂O | Trigonal | 2.5 | — |
| Andradite | Ca₃Fe³⁺₂(SiO₄)₃ | Cubic | — | — |
| Andreybulakhite | Ni(C₂O₄)·2H₂O | Monoclinic | — | — |
| Andrianovite | Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅ | Trigonal | — | — |
| Andrémeyerite | BaFe²⁺₂(Si₂O₇) | Monoclinic | 5.5 | — |
| Andychristyite | PbCu²⁺Te₆+O₅(H₂O) | Triclinic | — | — |
| Andymcdonaldite | Fe₂TeO₆ | Tetragonal | — | 6.39 g/cm³ |
| Andyrobertsite | KCdCu₅(AsO₄)₄[As(OH)₂O₂]·2H₂O | Monoclinic | 3.0 | 4.01 g/cm³ |
| Angarfite | NaFe³⁺₅(PO₄)₄(OH)₄·4H₂O | Orthorhombic | — | — |
| Angastonite | CaMgAl₂(PO₄)₂(OH)₄·7H₂O | Amorphous | — | — |
| Angelellite | Fe³⁺₄(AsO₄)₂O₃ | Triclinic | 5.5 | — |
| Anglesite | PbSO₄ | Orthorhombic | — | 6.34 g/cm³ |
| Anhydrite | CaSO₄ | Orthorhombic | 3.5 | 2.98 g/cm³ |
| Ankerite | Ca(Fe²⁺,Mg)(CO₃)₂ | Trigonal | — | 3.00 g/cm³ |
| Ankinovichite | (Ni,Zn)Al₄(V₅+O₃)₂(OH)₁₂ * 2.₅H₂O | Monoclinic | — | — |
| Annabergite | Ni₃(AsO₄)₂·8H₂O | Monoclinic | — | — |
| Anorthite | CaAl₂Si₂O₈ | Triclinic | — | — |
| Anorthominasragrite | (V₄+O)(SO₄) * 5H₂O | Triclinic | — | — |
| Anorthoroselite | Ca₂Co(AsO₄)₂·2H₂O | Triclinic | — | — |
| Anorthoyttrialite-(Y) | Y₄(SiO₄)(Si₃O₁₀) | Triclinic | — | — |
| Ansermetite | Mn²⁺(V₂O₆) * 4H₂O | Monoclinic | — | — |
| Antarcticite | CaCl₂·6H₂O | Trigonal | — | 1.72 g/cm³ |
| Anthoinite | AlWO₃(OH)₃ | Triclinic | — | — |
| Anthophyllite | ☐Mg₂Mg₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Antigorite | Mg₃Si₂O₅(OH)₄ | Monoclinic | — | 2.49 g/cm³ |
| Antipinite | KNa₃Cu₂(C₂O₄)₄ | Triclinic | — | — |
| Antipovite | Cu₅O₂(PO₄)₂ | Triclinic | — | — |
| Antlerite | Cu²⁺₃SO₄(OH)₄ | — | — | — |
| Antofagastaite | Na₂Ca(SO₄)₂·1.5H₂O | — | — | — |
| Anzaite-(Ce) | Ce₄Fe²⁺Ti₆O₁₈(OH)₂ | Monoclinic | — | — |
| Apachite | Cu₉Si₁₀O₂₉·11H₂O | Monoclinic | — | — |
| Apexite | NaMg(PO₄)·9H₂O | Triclinic | — | — |
| Aphthitalite | K₃Na(SO₄)₂ | Trigonal | 3.0 | 2.75 g/cm³ |
| Apjohnite | Mn²⁺Al₂(SO₄)₄ * 2₂H₂O | Monoclinic | — | — |
| Aplowite | Co(SO₄)·4H₂O | Monoclinic | — | — |
| Apuanite | Fe²⁺Fe³⁺₄Sb³⁺₄O₁₂S | Tetragonal | — | — |
| Aqualite | (H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl | Trigonal | — | — |
| Aradite | BaCa₆[(SiO₄)(VO₄)](VO₄)₂F | Trigonal | — | — |
| Aragonite | CaCO₃ | Orthorhombic | 3.8 | 2.93 g/cm³ |
| Arakiite | ZnMn²⁺₁₂Fe³⁺₂(As³⁺O₃)(As⁵⁺O₄)₂(OH)₂₃ | Monoclinic | — | — |
| Arangasite | Al₂(SO₄)(PO₄)F·9H₂O | Monoclinic | — | — |
| Aravaipaite | Pb₃AlF₉·H₂O | Triclinic | — | — |
| Aravaite | Ba₂Ca₁₈(SiO₄)₆(PO₄)₃(CO₃)F₃O | Trigonal | — | — |
| Arcanite | K₂[SO₄] | Orthorhombic | 2.0 | — |
| Archerite | H₂KPO₄ | Tetragonal | — | 2.39 g/cm³ |
| Arctite | Na₅Ca₇Ba(PO₄)₆F₃ | Trigonal | 5.0 | — |
| Ardealite | Ca₂(PO₃OH)(SO₄)·4H₂O | Monoclinic | — | — |
| Ardennite-(As) | Mn²⁺₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ | Orthorhombic | — | — |
| Ardennite-(V) | Mn²⁺₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ | Orthorhombic | — | — |
| Arfvedsonite | NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Argandite | Mn₇(VO₄)₂(OH)₈ | Monoclinic | — | — |
| Argentojarosite | AgFe³⁺₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Ariegilatite | BaCa₁₂(SiO₄)₄(PO₄)₂F₂O | Trigonal | — | — |
| Arisite-(Ce) | NaCe₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F | Hexagonal | — | — |
| Arisite-(La) | NaLa₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F | Hexagonal | — | — |
| Aristarainite | Na₂MgB₁₂O₂₀ * 8H₂O | Monoclinic | — | — |
| Armalcolite | (Mg,Fe²⁺)Ti₂O₅ | Orthorhombic | — | — |
| Armangite | Mn²⁺₂₆As³⁺₁₈O₅₀(CO₃)(OH)₄ | Trigonal | — | — |
| Armbrusterite | K₅Na₇Mn₁₅[(Si₉O₂₂)₄](OH)₁₀ * 4H₂O | Monoclinic | 3.5 | — |
| Armellinoite-(Ce) | Ca₄Ce₄+(AsO₄)₄·H₂O | Tetragonal | — | — |
| Armenite | BaCa₂(Al₆Si₉)O₃₀·2H₂O | Orthorhombic | — | 2.76 g/cm³ |
| Armstrongite | CaZr(Si₆O₁₅)·2H₂O | Monoclinic | — | — |
| Arrojadite-(BaNa) | BaNa₃(NaCa)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH) | Monoclinic | — | — |
| Arrojadite-(KFe) | {KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂ | Monoclinic | — | — |
| Arrojadite-(KNa) | KNa₃(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ | Monoclinic | — | — |
| Arrojadite-(PbFe) | PbFe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ | Monoclinic | — | — |
| Arrojadite-(SrFe) | SrFe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ | Monoclinic | — | — |
| Arsenatrotitanite | NaTi(AsO₄)O | Monoclinic | — | 3.72 g/cm³ |
| Arsenbrackebuschite | Pb₂Fe³⁺(AsO₄)₂(OH) | Monoclinic | — | — |
| Arseniopleite | (Ca,Na)NaMn²⁺(Mn²⁺,Mg,Fe²⁺)₂(AsO₄)₃ | Monoclinic | — | — |
| Arseniosiderite | Ca₂Fe³⁺₃O₂(AsO₄)₃(H₂O)₂·H₂O | Monoclinic | 4.5 | — |
| Arsenmedaite | Mn²⁺₆ As₅+Si₅O₁₈(OH) | Monoclinic | — | — |
| Arsenobenauite | SrFe³⁺₃(AsO₄)(AsO₃OH)(OH)₆ | Trigonal | — | — |
| Arsenocrandallite | CaAl₃(AsO₄)(AsO₃OH)(OH)₆ | Trigonal | — | — |
| Arsenoflorencite-(Ce) | CeAl₃(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Arsenoflorencite-(La) | LaAl₃(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Arsenoflorencite-(Nd) | NdAl₃(AsO₄)₂(OH)₆ | — | — | — |
| Arsenogorceixite | BaAl₃(AsO₄)(AsO₃OH)(OH)₆ | Trigonal | — | — |
| Arsenogoyazite | SrAl₃(AsO₄)(AsO₃OH)(OH)₆ | Trigonal | — | — |