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Cubic crystal system
494 minerals
| Mineral | Chemical formula | Mohs hardness | Density |
|---|---|---|---|
| Stolperite | AlCu | — | 5.51 g/cm³ |
| Strontiofluorite | SrF₂ | — | 4.28 g/cm³ |
| Suessite | (Fe,Ni)₃Si | — | — |
| Sulfopadmaite | PdBiS | — | — |
| Sulphohalite | Na₆(SO₄)₂FCl | — | — |
| Sulvanite | Cu₃VS₄ | 3.5 | 3.97 g/cm³ |
| Sylvite | KCl | 2.0 | 1.99 g/cm³ |
| Taenite | (Ni,Fe) | — | — |
| Talnakhite | Cu₉Fe₈S₁₆ | — | 4.29 g/cm³ |
| Tantalcarbide | TaC | — | 14.37 g/cm³ |
| Tarkianite | (Cu,Fe)(Re,Mo)₄S₈ | — | — |
| Tartarosite | C | — | — |
| Tausonite | SrTiO₃ | — | — |
| Telargpalite | (Pd,Ag)₃(Te,Bi) | — | — |
| Telluric iron | Fe | — | — |
| Tennantite-(Fe) | Cu₁₀Fe₂As₄S₁₃ | — | — |
| Tennantite-(Hg) | — | — | — |
| Tennantite-(In) | Cu₆(Cu₅In)As₄S₁₃ | — | — |
| Tennantite-(Ni) | — | — | — |
| Testibiopalladite | PdSbTe | — | — |
| Tetrahedrite-(Cd) | Cu₆(Cu₄Cd₂)Sb₄S₁₂S | — | — |
| Tetrahedrite-(Hg) | — | — | — |
| Tetrahedrite-(Mn) | — | — | — |
| Tetrahedrite-(Ni) | — | — | — |
| Thalfenisite | Tl₆(Fe,Ni,Cu)₂₅S₂₆Cl | — | — |
| Thalliumpharmacosiderite | TlFe₄[(AsO₄)₃(OH)₄]·4H₂O | — | — |
| Thermaerogenite | CuAl₂O₄ | 7.0 | — |
| Theuerdankite | Ag₃AsO₄ | 2.0 | — |
| Thorianite | ThO₂ | — | 9.98 g/cm³ |
| Tiemannite | HgSe | — | 8.31 g/cm³ |
| Titanomaghemite | Fe(Fe,Ti)₂O₄ | — | — |
| Tolovkite | IrSbS | — | 10.26 g/cm³ |
| Tomamaeite | Cu₃Pt | — | 12.82 g/cm³ |
| Tongxinite | — | 3.5 | 7.38 g/cm³ |
| Toturite | Ca₃Sn₂(SiFe³⁺₂)O₁₂ | — | — |
| Touretite | LiAl₄Be₄(B₁₁Be)O₂₈ | — | — |
| Toyohaite | Ag₂FeSn₃S₈ | 4.0 | 4.94 g/cm³ |
| Trevorite | NiFe³⁺₂O₄ | — | — |
| Trogtalite | CoSe₂ | 7.0 | 6.90 g/cm³ |
| Trüstedtite | Ni₃Se₄ | — | — |
| Tschermigite | NH₄Al(SO₄)₂·12H₂O | 1.5 | — |
| Tschörtnerite | Ca₄(K,Ca,Sr,Ba)₃Cu₃Al₁₂Si₁₂O₄₈(OH)₈·20H₂O | — | — |
| Tsikourasite | Mo₃Ni₂P₁₊ₓ | — | — |
| Tululite | Ca₁₄(Fe³⁺,Al)(Al,Zn,Fe³⁺,Si,P,Mn,Mg)₁₅O₃₆ | — | — |
| Tungsten (native) | W | — | 19.27 g/cm³ |
| Tychite | Na₆Mg₂(CO₃)₄(SO₄) | — | 2.63 g/cm³ |
| Tyrrellite | Cu(Co,Ni)₂Se₄ | — | — |
| Törnroosite | Pd₁₁As₂Te₂ | — | — |
| Uakitite | VN | — | — |
| Ullmannite | NiSbS | — | — |
| Ulvöspinel | Fe²⁺₂TiO₄ | — | — |
| Uraninite | UO₂ | — | 11.06 g/cm³ |
| Usturite | Ca₃(SbZr)(FeO₄)₃ | 7.0 | — |
| Uvarovite | Ca₃Cr₂(SiO₄)₃ | — | 3.83 g/cm³ |
| Vaesite | NiS₂ | — | — |
| Valleyite | Ca₄Fe₆O₁₃ | — | — |
| Vanadium (native) | V | — | — |
| Verneite | Na₂Ca₃Al₂F₁₄ | — | — |
| Villamanínite | CuS₂ | 4.5 | — |
| Villiaumite | NaF | — | 2.92 g/cm³ |
| Violarite | Fe²⁺Ni³⁺₂S₄ | — | — |
| Voltaite | K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ * 18H₂O | 3.0 | — |
| Volynskite | AgBiTe₂ | — | — |
| Vorlanite | Ca(U⁶⁺)O₄ | — | — |
| Vorontsovite | (Hg₅Cu)∑₆TlAs₄S₁₂ | — | — |
| Vuorelainenite | Mn²⁺V³⁺₂O₄ | — | — |
| Vymazalováite | — | — | — |
| Wadalite | (Ca,Mg)₆(Al,Fe³⁺)₄((Si,Al)O₄)₃O₄Cl₃ | 6.5 | — |
| Wairauite | CoFe | 5.0 | 8.33 g/cm³ |
| Walfordite | (Fe³⁺,Te₆+)Te₄+₃O₈ | — | — |
| Wangpuite | K₃(PO₄)(Mo₁₂O₃₆) | — | 4.14 g/cm³ |
| Wangxibinite | TiFe | — | 6.79 g/cm³ |
| Wangyanite | PdNi₈S₈ | — | — |
| Wickmanite | Mn²⁺Sn⁴⁺(OH)₆ | 3.5 | — |
| Wilancookite | (Ba₅Li₂☐)Ba₆Be₂₄P₂₄O₉₆·26H₂O | — | — |
| Winstanleyite | TiTe₄+₃O₈ | — | — |
| Wüstite | FeO | 5.0 | — |
| Xingzhongite | Pb²⁺Ir³⁺₂S₄ | — | — |
| Xuite | Ca₃Fe₂[AlO₃(OH)]₃ | — | — |
| Xuwenyuanite | Ag₉Fe³⁺Te₂S₄ | — | — |