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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Gaildunningite | Hg²⁺₃[NHg²⁺₂]₁₈(Cl,I,OH,Br,S)₂₄ | Orthorhombic | — | — |
| Gainesite | Na₂(Be,Li)Zr₂(PO₄)₄·1.5H₂O | — | — | — |
| Gaitite | Ca₂Zn(AsO₄)₂·2H₂O | — | — | — |
| Gajardoite | KCa₀.₅As³⁺₄O₆Cl₂(H₂O)₃·2H₂O | Hexagonal | — | — |
| Gajardoite-(NH₄) | (NH₄)As³⁺₄O₆Cl₂(Ca₀,₅◻₀,₅)(H₂O)₅ | Hexagonal | — | — |
| Galeaclolusite | Al₆(AsO₄)₃(OH)₉(H₂O)₄·8H₂O | Orthorhombic | — | 2.27 g/cm³ |
| Galeite | Na₁₅(SO₄)₅F₄Cl | Trigonal | — | — |
| Galgenbergite-(Ce) | CaCe₂(CO₃)₄·H₂O | Triclinic | — | — |
| Galkhaite | (Hg₅Cu)CsAs₄S₁₂ | — | — | — |
| Galliskiite | Ca₄Al₂(PO₄)₂F₈·5H₂O | Triclinic | — | — |
| Gallobeudantite | PbGa₃(AsO₄)(SO₄)(OH)₆ | Trigonal | 4.0 | 4.61 g/cm³ |
| Galloplumbogummite | Pb(Ga,Al,Ge)₃(PO₄)₂(OH)₆ | Trigonal | — | 4.62 g/cm³ |
| Galuskinite | Ca₇(SiO₄)₃(CO₃) | Monoclinic | — | — |
| Gananite | BiF₃ | Cubic | — | 8.17 g/cm³ |
| Ganterite | (Ba,Na,K)(Al,Mg)₂(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Gaotaiite | Ir₃Te₈ | Cubic | — | — |
| Garavellite | FeSbBiS₄ | Orthorhombic | — | — |
| Garmite | CsLiMg₂(Si₄O₁₀)F₂ | Monoclinic | — | — |
| Garronite-Na | Na₆(Al₆Si₁₀O₃₂)·8.5H₂O | Monoclinic | — | — |
| Garutiite | (Ni,Fe,Ir) | Hexagonal | 6.0 | — |
| Garyansellite | (Mg,Fe)₃(PO₄)₂(OH,O) * 1.₅H₂O | Orthorhombic | — | — |
| Gasparite-(Ce) | Ce(AsO₄) | Monoclinic | — | — |
| Gasparite-(La) | La(AsO₄) | Monoclinic | — | 5.53 g/cm³ |
| Gatedalite | ZrMn²⁺₂Mn³⁺₄O₈(SiO₄) | Tetragonal | — | — |
| Gatehouseite | Mn²⁺₅(PO₄)₂(OH)₄ | — | — | — |
| Gatelite-(Ce) | CaCe₃Al₂(Al,Mg)(Mg,Fe²⁺,Al)(Si₂O₇)(SiO₄)₃(O,F)(OH,O)₂ | Monoclinic | — | — |
| Gatewayite | Ca₆(H₂O)23(As³⁺V⁴⁺₃V⁵⁺₉As⁵⁺₆O₅₁)·8H₂O | Monoclinic | 2.0 | — |
| Gatumbaite | CaAl₂(PO₄)₂(OH)₂·H₂O | Monoclinic | — | — |
| Gaudefroyite | — | Hexagonal | 6.0 | — |
| Gaultite | Na₄Zn₂Si₇O₁₈·5H₂O | Orthorhombic | — | — |
| Gauthierite | KPb[(UO₂)₇O₅(OH)₇]·8H₂O | Monoclinic | — | 5.44 g/cm³ |
| Gayite | NaMnFe₅(PO₄)₄(OH)₆·2H₂O | Monoclinic | — | — |
| Gazeevite | BaCa₆(SiO₄)₂(SO₄)₂O | Trigonal | — | — |
| Gearksutite | CaAlF₄(OH)·H₂O | Triclinic | — | — |
| Gebhardite | Pb₈(As₂O₅)₂OCl₆ | Monoclinic | — | — |
| Geerite | Cu₈S₅ | Trigonal | — | — |
| Geffroyite | (Cu,Fe,Ag)₉(Se,S)₈ | Cubic | — | — |
| Geigerite | Mn²⁺₅(AsO₄)₂(HAsO₄)₂·10H₂O | — | — | — |
| Gelosaite | BiMo⁶⁺₂₋₅ₓMo⁵⁺₆ₓO₇(OH)·H₂O (0 < x < 0.4) | Monoclinic | — | — |
| Geminite | Cu(HAsO₄)·H₂O | Triclinic | — | — |
| Gengenbachite | KFe₃(H₂PO₄)₂(HPO₄)₄·6H₂O | Hexagonal | — | — |
| Genkinite | Pt₄Sb₃ | Tetragonal | — | — |
| Genplesite | Ca₃Sn(SO₄)₂(OH)₆·3H₂O | Hexagonal | — | — |
| Georgbarsanovite | Na₁₂(Mn,Sr,REE)₃Ca₆Fe²⁺₃Zr₃NbSi₂₅O₇₆Cl₂·H₂O | Trigonal | — | — |
| Georgbokiite | Cu₅(SeO₃)₂O₂Cl₂ | Monoclinic | — | — |
| Georgechaoite | NaKZr[Si₃O₉]·2H₂O | — | — | — |
| Georgeliuite | Ca₂Mn³⁺₃O₂(AsO₄)₃(H₂O)₂·H₂O | Monoclinic | — | — |
| Georgerobinsonite | Pb₄(CrO₄)₂(OH)₂FCl | Orthorhombic | — | — |
| Gerdtremmelite | (Zn,Fe)(Al,Fe)₂(AsO₄)(OH)₅ | Triclinic | — | — |
| Gerenite-(Y) | (Ca,Na)₂(Y,REE)₃Si₆O₁₈·2H₂O | Triclinic | — | — |
| Germanocolusite | Cu₁₃VGe₃S₁₆ | — | — | — |
| Gerstmannite | MnMgZn(SiO₄)(OH)₂ | Orthorhombic | — | — |
| Geschieberite | K₂(UO₂)(SO₄)₂·2H₂O | Orthorhombic | — | — |
| Getchellite | AsSbS₃ | Monoclinic | — | — |
| Geuerite | Ag₂Tl₄Pb₄As₂₂S₄₀ | Monoclinic | — | — |
| Geversite | PtSb₂ | Cubic | — | 10.61 g/cm³ |
| Ghiaraite | CaCl₂·4H₂O | Triclinic | — | — |
| Giacovazzoite | — | Monoclinic | — | — |
| Gianellaite | [(NHg₂)₂](SO₄)(H₂O)x | Cubic | — | — |
| Gibbsite | Al(OH)₃ | Monoclinic | — | — |
| Giessenite | (Cu,Fe)₂Pb₂₆.₄(Bi,Sb)₁₉.₆S₅₇ | Monoclinic | 2.5 | — |
| Giftgrubeite | CaMn₂Ca₂(AsO₄)₂(AsO₃OH)₂·4H₂O | Monoclinic | — | — |
| Gilalite | Cu₅Si₆O₁₇·7H₂O | Monoclinic | — | — |
| Gillardite | Cu₃Ni(OH)₆Cl₂ | Trigonal | — | — |
| Gillespite | BaFe²⁺Si₄O₁₀ | — | — | — |
| Gillulyite | Tl₂As₇.₅Sb₀.₃S₁₃ | — | — | — |
| Gilmarite | Cu²⁺₃(AsO₄)(OH)₃ | Triclinic | — | — |
| Ginelfite | Ag₂(Ag₀.₅Fe²⁺₀.₅)TlPb₂₃.₅(Sb,As)₃₃.₅S₇₆ | — | — | — |
| Giniite | Fe²⁺Fe³⁺₄(PO₄)₄(OH)₂·2H₂O | Monoclinic | — | — |
| Girvasite | NaCa₂Mg₃(PO₄)₃(CO₃)(H₂O)₆ | Monoclinic | — | — |
| Gismondine-Sr | Sr₄(Si₈Al₈O₃₂)·9H₂O | Orthorhombic | — | — |
| Gittinsite | CaZrSi₂O₇ | Monoclinic | — | — |
| Giuseppettite | (Na,K,Ca)₇-₈(Al₆Si₆O₂₄)(SO₄,Cl)₁-₂ | Trigonal | — | — |
| Giuşcăite | Ag₂Tl₄Pb₄As₂₀Sb₂S₄₀ | Monoclinic | — | — |
| Gjerdingenite-Ca | K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | Monoclinic | — | — |
| Gjerdingenite-Fe | K₂Fe(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Mn | K₂Mn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Na | K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄·5H₂O | Monoclinic | — | — |
| Gladiusite | — | Monoclinic | — | — |
| Gladkovskyite | MnTlAs₃S₆ | Trigonal | — | — |