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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Aldomarinoite | — | Monoclinic | — | — |
| Aldridgeite | (Cd,Ca)(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O | Monoclinic | — | — |
| Aleksandrovite | KCa₇Sn₂Li₃Si₁₂O₃₆F₂ | Monoclinic | — | — |
| Aleksite | PbBi₂Te₂S₂ | Trigonal | 2.0 | — |
| Aleutite | [Cu₅O₂](AsO₄)(VO₄)·(Cu,K,Pb,Rb,Cs,)Cl | Monoclinic | — | — |
| Alexearlite | Hg₃(MoO₄)S₂ | Orthorhombic | — | — |
| Alexkhomyakovite | K₆(Ca₂Na)(CO₃)₅Cl·6H₂O | Hexagonal | — | — |
| Alexkuznetsovite-(La) | — | Monoclinic | — | — |
| Alexshubnikovite | Ca₂Cu₉(AsO₄)₄(OH)₉Cl(H₂O)₈·2H₂O | Monoclinic | — | — |
| Alflarsenite | NaCa₂Be₃Si₄O₁₃(OH)·2H₂O | Monoclinic | — | — |
| Alforsite | Ba₅(PO₄)₃Cl | Hexagonal | 5.0 | 4.57 g/cm³ |
| Alfredcasparite | Sr₂TiO(Si₂O₇) | Tetragonal | — | — |
| Alfredopetrovite | Al₂(Se⁴⁺O₃)₃·6H₂O | Hexagonal | 2.5 | — |
| Alfredstelznerite | Ca₄(H₂O)₄[B₄O₄(OH)₆]₄(H₂O)₁₅ | Orthorhombic | — | — |
| Algodonite | Cu₁₋ₓAsₓ (x ~0.15) | — | — | — |
| Alicewilsonite-(YCe) | — | Triclinic | — | — |
| Alicewilsonite-(YLa) | Na₂Sr₂YLa(CO₃)₆·3H₂O | Triclinic | — | — |
| Aliettite | Ca₀.₂Mg₆(Si,Al)₈O₂₀(OH)₄·4H₂O | Monoclinic | — | — |
| Allabogdanite | (Fe,Ni)₂P | Orthorhombic | — | — |
| Allactite | Mn²⁺₇(AsO₄)₂(OH)₈ | Monoclinic | 4.5 | — |
| Allanite-(Ce) | CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Allanite-(La) | CaLa(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Allanite-(Nd) | CaNd(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Allanite-(Sm) | (CaSm)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH) | Monoclinic | — | — |
| Allanite-(Y) | {CaY}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Allanpringite | Fe³⁺₃(PO₄)₂(OH)₃·5H₂O | Monoclinic | 3.0 | — |
| Allantoin | — | Monoclinic | — | — |
| Allargentum | Ag₁₋ₓSbₓ (x=0.09-0.16) | Hexagonal | 3.5 | 10.00 g/cm³ |
| Alleghanyite | Mn²⁺₅(SiO₄)₂(OH)₂ | Monoclinic | — | — |
| Allendeite | Sc₄Zr₃O₁₂ | Trigonal | — | — |
| Allochalcoselite | Cu¹⁺Cu²⁺₅PbO₂(SeO₃)₂Cl₅ | Monoclinic | — | — |
| Alloclasite | CoAsS | Monoclinic | — | 6.26 g/cm³ |
| Allophane | Al₂O₃(SiO₂)₁.₃-₂.₀·2.5-3.0H₂O | — | 3.0 | — |
| Alloriite | (Na,K,Ca)₂₄(Na,Ca)₄Ca₄(Si,Al)₄₈O₉₆(SO₄)₄(SO₃,CO₃)₂(OH,Cl)₂(H₂O,OH)₄ | Trigonal | — | — |
| Alluaivite | Na₁₉(Ca,Mn²⁺)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O | Trigonal | — | — |
| Alluaudite | (Na,Ca)(Mn,Mg,Fe²⁺)(Fe³⁺,Mn²⁺)₂(PO₄)₃ | Monoclinic | — | — |
| Almagreraite | CuZnMn⁴⁺₃O₈ | Orthorhombic | — | — |
| Almandine | Fe²⁺₃Al₂(SiO₄)₃ | Cubic | 7.5 | 4.30 g/cm³ |
| Almarudite | K(☐,Na)₂(Mn,Fe,Mg)₂[(Be,Al)₃Si₁₂]O₃₀ | Hexagonal | 6.0 | 2.72 g/cm³ |
| Almeidaite | PbZn₂(Mn,Y)(Ti,Fe³⁺)₁₈O₃₆(OH,O)₂ | Trigonal | — | — |
| Alnaperbøeite-(Ce) | (CaCe₂.₅Na₀.₅)(Al₄)(Si₂O₇)(SiO₄)₃O(OH)₂ | Monoclinic | — | — |
| Alpeite | Ca₄Mn³⁺₂Al₂(Mn³⁺Mg)(SiO₄)₂(Si₃O₁₀)(V₅+O₄)(OH)₆ | Orthorhombic | — | — |
| Alpersite | Mg(SO₄)·7H₂O | Monoclinic | 2.5 | — |
| Alsakharovite-Zn | NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O | Monoclinic | — | — |
| Alstonite | BaCa(CO₃)₂ | Triclinic | — | — |
| Altaite | PbTe | Cubic | — | 7.94 g/cm³ |
| Alterite | Zn₂Fe³⁺₄(SO₄)₄(C₂O₄)₂(OH)₄ * 17H₂O | Monoclinic | — | — |
| Althausite | Mg₄(PO₄)₂(OH,O)(F,☐) | Orthorhombic | — | — |
| Althupite | AlTh(UO₂)₇(PO₄)₄O₂(OH)₅·15H₂O | Triclinic | — | — |
| Altisite | Na₃K₆Ti₂Al₂Si₈O₂₆Cl₃ | Monoclinic | — | — |
| Alum-(K) | KAl(SO₄)₂·12H₂O | Cubic | — | — |
| Alum-(Na) | NaAl(SO₄)₂·12H₂O | Cubic | — | — |
| Aluminite | Al₂SO₄(OH)₄·7H₂O | Monoclinic | — | — |
| Aluminium (native) | Al | Cubic | — | — |
| Alumino-oxy-rossmanite | — | Trigonal | 7.0 | — |
| Aluminoceladonite | K(Mg,Fe²⁺)Al(Si₄O₁₀)(OH)₂ | Monoclinic | — | — |
| Aluminocerite-(CeCa) | (Ce₆Ca₃)☐Al(SiO₄)₃(SiO₃OH)₄(OH)₃ | Trigonal | — | — |
| Aluminocopiapite | (Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O | Triclinic | — | — |
| Aluminocoquimbite | AlFe(SO₄)₃·9H₂O | Trigonal | — | — |
| Aluminomagnesiohulsite | Mg₂AlO₂(BO₃) | Monoclinic | — | — |
| Aluminopyracmonite | (NH₄)₃Al(SO₄)₃ | Trigonal | — | — |
| Aluminosugilite | — | Hexagonal | — | — |
| Aluminotaipingite-(CeCa) | (Ce₆Ca₃)◻Al(SiO₄)₃[SiO₃(OH)]₄F₃ | Trigonal | — | — |
| Alumoedtollite | K₂NaCu₅AlO₂(AsO₄)₄ | Triclinic | — | — |
| Alumohydrocalcite | CaAl₂(CO₃)₂(OH)₄·3H₂O | Triclinic | — | — |
| Alumoklyuchevskite | K₃Cu²⁺₃AlO₂(SO₄)₄ | Triclinic | 2.5 | — |
| Alumotantite | AlTaO₄ | Orthorhombic | — | 7.51 g/cm³ |
| Alumovesuvianite | Ca₁₉Al(Al₁₀Mg₂)Si₁₈O₆₉(OH)₉ | Tetragonal | — | — |
| Alumoåkermanite | (Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇) | Tetragonal | — | — |
| Alunite | KAl₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Alunogen | Al₂(SO₄)₃(H₂O)₁₂·5H₂O | Triclinic | — | — |
| Alvanite | ZnAl₄(V(V)O₃)₂(OH)₁₂·2H₂O | Monoclinic | — | 2.49 g/cm³ |
| Alvesite | NaKZrSi₆O₁₅·2H₂O | Orthorhombic | — | — |
| Alwilkinsite-(Y) | Y(UO₂)₃(SO₄)₂O(OH)₃(H₂O)₇·7H₂O | Orthorhombic | — | — |
| Amableite-(Ce) | Na₁₅[(Ce₁.₅Na₁.₅)Mn₃]Mn₂Zr₃◻Si[Si₂₄O₆₉(OH)₃](OH)₂·H₂O | Trigonal | — | — |
| Amakinite | Fe(OH)₂ | Trigonal | — | — |
| Amamoorite | CaMn²⁺₂Mn³⁺(Si₂O₇)O(OH) | — | — | — |
| Amarantite | Fe³⁺₂O(SO₄)₂·7H₂O | Triclinic | 2.5 | — |
| Amarillite | NaFe³⁺(SO₄)₂·6H₂O | Monoclinic | — | — |
| Amaterasuite | Sr₄Ti₆Si₄O₂₃(OH)Cl | Orthorhombic | — | — |