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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Amblygonite | LiAlPO₄F | Triclinic | — | — |
| Ambrinoite | [K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O | Triclinic | — | — |
| Ameghinite | NaB₃O₃(OH)₄ | Monoclinic | — | 1.99 g/cm³ |
| Amesite | Mg₂Al(AlSiO₅)(OH)₄ | Triclinic | — | — |
| Amicite | K₂Na₂(Al₄Si₄O₁₆)·5H₂O | Monoclinic | 4.5 | — |
| Aminoffite | Ca₃(BeOH)₂Si₃O₁₀ | Tetragonal | — | 2.83 g/cm³ |
| Ammineite | CuCl₂·2NH₃ | Orthorhombic | — | — |
| Ammonioalunite | (NH)₄Al₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Ammonioborite | (NH₄)₃B₁₅O₂₀(OH)₈·4H₂O | Monoclinic | — | — |
| Ammoniojarosite | (NH)₄Fe³⁺₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Ammoniolasalite | [(NH₄)₂Mg₂(H₂O)₂₀] [V₁₀O₂₈] | Monoclinic | — | — |
| Ammonioleucite | (NH₄)AlSi₂O₆ | Tetragonal | — | — |
| Ammoniomagnesiovoltaite | (NH₄)₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O | Cubic | — | — |
| Ammoniomathesiusite | (NH₄)₅(UO₂)₄(SO₄)₄(VO₅)₄·H₂O | Tetragonal | — | — |
| Ammoniotinsleyite | — | Monoclinic | — | — |
| Ammoniovoltaite | (NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈ | Cubic | — | — |
| Ammoniozippeite | (NH₄)₂[(UO₂)₂(SO₄)O₂]*H₂O | Orthorhombic | — | — |
| Amoraite | Ca₁₂Al₆(OH)₃₆(CO₃)₂(SO₃)·15H₂O | Triclinic | — | — |
| Amstallite | CaAl[(Al,Si)₄O₈(OH)₂](OH)₂·(H₂O,Cl) | Monoclinic | 4.0 | — |
| Amurselite | (NH₄)₂(UO₂)₅(SeO₃)₃O₂(OH)₂(H₂O)·8H₂O | Triclinic | — | — |
| Analcime | Na(AlSi₂O₆)·H₂O | Orthorhombic | — | — |
| Anandite | BaFe²⁺₃(Si₃Fe³⁺)O₁₀S(OH) | Monoclinic | — | — |
| Anapaite | Ca₂Fe²⁺(PO₄)₂·4H₂O | Triclinic | 3.5 | 2.81 g/cm³ |
| Anastasenkoite | — | Triclinic | — | — |
| Anatase | TiO₂ | Tetragonal | — | 3.90 g/cm³ |
| Anatolygurbanovite | SrCa₂Si₃O₉ | Triclinic | — | — |
| Anatolyite | Na₆(Ca,Na)(Mg,Fe³⁺)₃Al(AsO₄)₆ | Trigonal | — | — |
| Ancylite-(Ce) | CeSr(CO₃)₂(OH)·H₂O | Orthorhombic | — | — |
| Ancylite-(La) | LaSr(CO₃)₂(OH)·H₂O | Orthorhombic | — | — |
| Andalusite | Al₂SiO₅ | Orthorhombic | 7.5 | 3.15 g/cm³ |
| Andersonite | Na₂Ca(UO₂)(CO₃)₃·6H₂O | Trigonal | 2.5 | — |
| Andradite | Ca₃Fe³⁺₂(SiO₄)₃ | Cubic | — | — |
| Andreadiniite | CuHgAg₇Pb₇Sb₂₄S₄₈ | Monoclinic | — | — |
| Andreybulakhite | Ni(C₂O₄)·2H₂O | Monoclinic | — | — |
| Andreyivanovite | FeCrP | Orthorhombic | — | 6.65 g/cm³ |
| Andrianovite | Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅ | Trigonal | — | — |
| Andrieslombaardite | RhSbS | Cubic | — | 7.62 g/cm³ |
| Andrémeyerite | BaFe²⁺₂(Si₂O₇) | Monoclinic | 5.5 | — |
| Anduoite | RuAs₂ | Orthorhombic | — | 8.23 g/cm³ |
| 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 |
| Anilite | Cu₇S₄ | Orthorhombic | 3.0 | — |
| 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 | — | — |
| Anningite-(Ce) | — | Tetragonal | — | — |
| Annite | — | Monoclinic | — | — |
| Annivite-(Zn) | Cu₆(Cu₄Zn₂)Bi₄S₁₂S | Cubic | — | — |
| Anorpiment | As₂S₃ | Triclinic | — | — |
| 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 | — | — |
| Anthonyite | — | Monoclinic | — | — |
| Anthophyllite | ☐Mg₂Mg₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Antigorite | Mg₃Si₂O₅(OH)₄ | Monoclinic | — | 2.49 g/cm³ |
| Antimonselite | Sb₂Se₃ | Orthorhombic | — | 5.51 g/cm³ |
| Antimony (native) | Sb | Trigonal | 3.3 | 6.66 g/cm³ |
| Antipinite | KNa₃Cu₂(C₂O₄)₄ | Triclinic | — | — |
| Antipovite | Cu₅O₂(PO₄)₂ | Triclinic | — | — |
| Antlerite | Cu²⁺₃SO₄(OH)₄ | — | — | — |
| Antofagastaite | Na₂Ca(SO₄)₂·1.5H₂O | — | — | — |
| Anyuiite | AuPb₂ | Tetragonal | — | 12.88 g/cm³ |
| 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 | — | — |