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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Simpsonite | Al₄Ta₃O₁₃(OH) | Trigonal | 7.5 | — |
| Sincosite | Ca(VO)₂(PO₄)₂·4H₂O | — | — | — |
| Sinhalite | MgAlBO₄ | Orthorhombic | — | 3.35 g/cm³ |
| Sinjarite | CaCl₂·2H₂O | Tetragonal | 1.5 | — |
| Sinkankasite | Mn²⁺Al(PO₃OH)₂(OH) · 6H₂O | — | — | — |
| Sinnerite | Cu₆As₄S₉ | Triclinic | — | — |
| Sinoite | Si₂N₂O | Orthorhombic | — | — |
| Sitinakite | KNa₂Ti₄(SiO₄)₂O₅(OH)·4H₂O | — | — | — |
| Siudaite | Na₈(Mn²⁺₂Na)Ca₆(Fe³⁺Mn²⁺)₃Zr₃NbSi₂₄(Si,☐,Ti)O₇₄(OH)₂Cl·5H₂O | — | — | — |
| Siwaqaite | Ca₆Al₂(CrO₄)₃(OH)₁₂·26H₂O | Trigonal | — | — |
| Skaergaardite | PdCu | Cubic | 4.5 | 10.66 g/cm³ |
| Skinnerite | Cu₃SbS₃ | Cubic | — | — |
| Skippenite | Bi₂TeSe₂ | Trigonal | — | — |
| Sklodowskite | Mg(UO₂)₂(SiO₃OH)₂·6H₂O | Monoclinic | — | — |
| Skogbyite | Zr(Mg₂Mn³⁺₄)SiO₁₂ | Tetragonal | — | — |
| Skorpionite | Ca₃Zn₂(PO₄)₂(CO₃)(OH)₂·H₂O | Monoclinic | 3.5 | — |
| Skutterudite | CoAs₃ | Cubic | — | 6.84 g/cm³ |
| Slavkovite | Cu₁₃(AsO₄)₆(AsO₃OH)₄·23H₂O | Triclinic | — | — |
| Slavíkite | — | Trigonal | — | — |
| Slawsonite | Sr(Al₂Si₂O₈) | Monoclinic | — | — |
| Slottaite | SrFe³⁺₃(PO₄)(SO₄)(OH)₆ | Trigonal | — | — |
| Sluzhenikinite | — | Monoclinic | — | — |
| Smamite | — | Triclinic | — | — |
| Smirnite | Bi₂Te₄⁺O₅ | — | — | — |
| Smirnovskite | (Th,Ca)(PO₄)·nH₂O | — | — | — |
| Smithite | AgAsS₂ | — | — | — |
| Smithsonite | ZnCO₃ | Trigonal | 5.0 | 4.46 g/cm³ |
| Smolyaninovite | Co₃Fe³⁺₂(AsO₄)₄ * 1₁H₂O | — | — | — |
| Smrkovecite | Bi₂(PO₄)O(OH) | Monoclinic | — | — |
| Smythite | (Fe,Ni)₃₊ₓS₄ (x = 0 to 0.3) | — | — | — |
| Sobolevite | Na₆(Na₂Ca)(NaCaMn)Na₂Ti₂Na₂(TiMn)(Si₂O₇)₂ (PO₄)₄O₂(OF)F₂ | Monoclinic | — | — |
| Sobolevskite | Pd(Bi,Te) | Hexagonal | 4.0 | — |
| Sodalite | Na₄Si₃Al₃O₁₂Cl | Cubic | 6.0 | — |
| Soddyite | (UO₂)₂SiO₄·2H₂O | Orthorhombic | 3.5 | — |
| Sofiite | Zn₂(SeO₃)Cl₂ | Orthorhombic | 2.0 | — |
| Sogdianite | KZr₂(Li₃Si₁₂)O₃₀ | Hexagonal | 7.0 | 2.65 g/cm³ |
| Sokolovaite | CsLi₂Al(Si₄O₁₀)F₂ | — | — | — |
| Solongoite | Ca₂B₃O₄(OH)₄Cl | Monoclinic | 3.5 | — |
| Sombrereteite | NaCa₃(Al₇Si₉)O₃₂ | Monoclinic | — | — |
| Somersetite | Pb₈O₂(OH)₂(CO₃)₅ | Trigonal | — | — |
| Sonolite | Mn²⁺₉(SiO₄)₄(OH)₂ | Monoclinic | — | — |
| Sonoraite | Fe³⁺(TeO₃)(OH) * H₂O | — | — | — |
| Sopcheite | Ag₄Pd₃Te₄ | Orthorhombic | — | — |
| Sorbyite | CuPb₉(Sb,As)₁₁S₂₆ | — | — | — |
| Sorosite | Cu₁+x(Sn,Sb) | Hexagonal | — | — |
| Sosedkoite | (K,Na)₅Al₂(Ta,Nb)₂₂O₆₀ | — | — | — |
| Souzalite | (Mg,Fe²⁺)₃(Al,Fe³⁺)₄(PO₄)₄(OH)₆ * 2H₂O | — | — | — |
| Součekite | CuPbBi(S,Se)₃ | — | — | — |
| Spadaite | MgSiO₂(OH)₂·H₂O (?) | — | — | — |
| Spaltiite | Tl₂Cu₂As₂S₅ | Monoclinic | — | — |
| Spangolite | Cu₆AlSO₄(OH)₁₂Cl·3H₂O | Trigonal | — | — |
| Spanoite | Tl₂[(UO₂)₂(V₂O₈)] | Monoclinic | — | — |
| Spencerite | Zn₄(PO₄)₂(OH)₂ * 3H₂O | — | — | — |
| Sperlingite | (H₂O)K(Mn²⁺Fe³⁺)(Al₂Ti)(PO₄)₄[O(OH)] [(H₂O)₉(OH)]·4H₂O | Monoclinic | — | — |
| Sperrylite | PtAs₂ | Cubic | — | 10.56 g/cm³ |
| Spertiniite | Cu(OH)₂ | — | — | — |
| Spessartine | Mn²⁺₃Al₂(SiO₄)₃ | Cubic | — | 4.19 g/cm³ |
| Sphaerobertrandite | Be₃(SiO₄)(OH)₂ | Monoclinic | — | — |
| Sphaerobismoite | Bi₂O₃ | Tetragonal | — | — |
| Sphalerite | ZnS | Cubic | — | 4.14 g/cm³ |
| Spheniscidite | (NH₄)Fe³⁺₂(PO₄)₂(OH)(H₂O)·H₂O | — | — | — |
| Spherocobaltite | CoCO₃ | Trigonal | 4.0 | 4.29 g/cm³ |
| Spinel | MgAl₂O₄ | Cubic | 8.0 | 3.58 g/cm³ |
| Spionkopite | Cu₃₉S₂₈ | Trigonal | — | 5.13 g/cm³ |
| Spiridonovite | (Cu₁-xAgx)₂Te | Trigonal | — | — |
| Spiroffite | (Mn,Zn,Ca)₂Te₃,O₈ | — | — | — |
| Spodumene | LiAlSi₂O₆ | Monoclinic | — | — |
| Spriggite | Pb₃(UO₂)₆O₈(OH)₂ * 3H₂O | — | — | — |
| Springcreekite | BaV³⁺₃(PO₄)₂(OH, H₂O)₆ | — | — | — |
| Spryite | Ag₈(As³⁺₀.₅As⁵⁺₀.₅)S₆ | Orthorhombic | — | — |
| Spurrite | Ca₅(SiO₄)₂(CO₃) | Monoclinic | 5.0 | — |
| Srebrodolskite | Ca₂Fe³⁺₂O₅ | Orthorhombic | — | — |
| Srilankite | TiO₂ | — | — | 3.86 g/cm³ |
| Stalderite | Tl(Cu,Ag)(Zn,Fe,Hg)₂(As,Sb)₂S₆ | — | — | — |
| Stanevansite | Mg(C₂H₃O₃)₂·2H₂O | Monoclinic | — | — |
| Stanfieldite | Ca₄Mg₅(PO₄)₆ | Monoclinic | — | — |
| Stankeithite | MnMnTe⁴⁺₄O₁₀ | Tetragonal | — | — |
| Stanleyite | (V⁴⁺O)(SO₄)·6H₂O | Orthorhombic | — | — |
| Stannite | Cu₂FeSnS₄ | Tetragonal | 4.0 | — |
| Stannoidite | Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂ | Orthorhombic | — | — |