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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Vysokýite | U⁴⁺[AsO₂(OH)₂]₄·4H₂O | Triclinic | — | — |
| Västmanlandite-(Ce) | — | Monoclinic | — | — |
| Wadalite | (Ca,Mg)₆(Al,Fe³⁺)₄((Si,Al)O₄)₃O₄Cl₃ | Cubic | 6.5 | — |
| Wadsleyite | Mg₂SiO₄ | Orthorhombic | — | 3.24 g/cm³ |
| Waimirite-(Y) | YF₃ | Orthorhombic | — | 5.08 g/cm³ |
| Waipouaite | — | Monoclinic | — | — |
| Wairakite | Ca(Si₄Al₂)O₁₂·2H₂O | Monoclinic | — | — |
| Wairauite | CoFe | Cubic | 5.0 | 8.33 g/cm³ |
| Wakabayashilite | [(As,Sb)₆S₉][As₄S₅] | Orthorhombic | 1.5 | — |
| Wakefieldite-(La) | La(VO₄) | Tetragonal | 4.0 | 4.62 g/cm³ |
| Wakefieldite-(Nd) | NdVO₄ | Tetragonal | — | 4.93 g/cm³ |
| Walfordite | (Fe³⁺,Te₆+)Te₄+₃O₈ | Cubic | — | — |
| Walkerite | Ca₁₆(Mg,Li,☐)₂[B₁₃O₁₇(OH)₁₂]₄Cl₆*₂₈H₂O | Orthorhombic | — | — |
| Wallisite | CuPbTlAs₂S₅ | Triclinic | — | — |
| Wallkilldellite | Ca₂Mn²⁺₃(AsO₄)₂(OH)₄ * 9H₂O | Hexagonal | — | — |
| Wallkilldellite-(Fe) | (Ca,Cu)₄Fe²⁺₆(AsO₄,SiO₄)₄(OH,O)₈ * 18H₂O | Hexagonal | — | — |
| Walstromite | BaCa₂(Si₃O₉) | Triclinic | — | — |
| Walthierite | Ba₀.₅Al₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Wampenite | C₁₈H₁₆ | Monoclinic | — | — |
| Wangdaodeite | FeTiO₃ | Trigonal | — | — |
| Wangkuirenite | Pb₃Cl₂(SeO₃)₂ | Monoclinic | — | — |
| Wangpuite | K₃(PO₄)(Mo₁₂O₃₆) | Cubic | — | 4.14 g/cm³ |
| Wangxibinite | TiFe | Cubic | — | 6.79 g/cm³ |
| Wangyanite | PdNi₈S₈ | Cubic | — | — |
| Wardsmithite | Ca₅Mg[B₄O₇]₆ * 3₀H₂O | Hexagonal | — | — |
| Warikahnite | Zn₃(AsO₄)₂·2H₂O | Triclinic | 2.0 | — |
| Warkite | Ca₂Sc₆Al₆O₂₀ | Triclinic | — | — |
| Wassonite | TiS | Trigonal | — | 4.46 g/cm³ |
| Watanabeite | Cu₄(As,Sb)₂S₅ | Orthorhombic | — | — |
| Watatsumiite | Na₂KLi(Mn²⁺,Fe²⁺)₂V₄+₂[Si₈O₂₄] | Monoclinic | — | — |
| Waterhouseite | Mn₇(PO₄)₂(OH)₈ | Monoclinic | — | — |
| Watkinsonite | Cu₂PbBi₄(Se,S,Te)₈ | Monoclinic | — | — |
| Wattersite | (Hg+₂)₂Hg²⁺(CrO₄)O₂ | Monoclinic | — | — |
| Wavellite | Al₃(PO₄)₂(OH)₃·5H₂O | Orthorhombic | — | — |
| Wawayandaite | Ca₆Mn₂BBe₉Si₆O₂₃(OH,Cl)₁₅ | Monoclinic | — | — |
| Waylandite | BiAl₃(PO₄)₂(OH)₆ | Trigonal | — | — |
| Wayneburnhamite | Pb₉Ca₆(Si₂O₇)₃(SiO₄)₃ | Hexagonal | — | — |
| Weeksite | K₂(UO₂)₂(Si₅O₁₃) * 4H₂O | Monoclinic | — | 4.10 g/cm³ |
| Wegscheiderite | Na₅H₃(CO₃)₄ | Triclinic | — | 2.40 g/cm³ |
| Weilite | Ca(AsO₃OH) | Triclinic | — | — |
| Weinebeneite | CaBe₃(PO₄)₂(OH)₂ * 4H₂O | Monoclinic | — | — |
| Weishanite | (Au,Ag,Hg) | Hexagonal | 2.5 | — |
| Weissbergite | TlSbS₂ | Triclinic | 1.5 | 5.81 g/cm³ |
| Weloganite | Na₂Sr₃Zr(CO₃)₆·3H₂O | Triclinic | 3.5 | — |
| Welshite | Ca₄Mg₉Sb₃O₄[Si₆Be₃AlFe₂O₃₆] | Triclinic | 6.0 | — |
| Wendwilsonite | Ca₂Mg(AsO₄)₂·2H₂O | Monoclinic | — | — |
| Wenjiite | Ti10SixPy | Hexagonal | — | — |
| Wenkite | Ba₄Ca₆(Si,Al)₂₀O₄₁(OH)₂(SO₄)₃(H₂O) | Hexagonal | — | — |
| Wenqingite | Pb₅(AsS₃)₂(Ge₂S₆) | Monoclinic | — | — |
| Werdingite | (Mg,Fe)₂Al₁₄Si₄B₄O₃₇ | Triclinic | — | — |
| Wermlandite | Mg₇Al₂(OH)₁₈[Ca(H₂O)₆][SO₄]₂ * ₆H₂O | Trigonal | — | — |
| Wernerkrauseite | Ca(Fe³⁺,Mn³⁺)₂Mn⁴⁺O₆ | Orthorhombic | — | — |
| Wesselsite | SrCuSi₄O₁₀ | Tetragonal | — | — |
| Westerveldite | (Fe,Ni,Co)As | Orthorhombic | — | — |
| Wetherillite | Na₂Mg(UO₂)₂(SO₄)₄·18H₂O | Monoclinic | — | — |
| Wheatleyite | Na₂Cu(C₂O₄)₂·2H₂O | Triclinic | — | — |
| Whelanite | Cu₂Ca₆[Si₆O₁₇(OH)](CO₃)(OH)₃(H₂O)₂ | — | — | — |
| Whewellite | Ca(C₂O₄)·H₂O | Monoclinic | — | — |
| Whitecapsite | H₁₆Fe²⁺₅Fe³⁺₁₄Sb³⁺₆(AsO₄)₁₈O₁₆·120H₂O | Hexagonal | — | — |
| Whiteite-(CaFeMg) | CaFe²⁺Mg₂Al₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Whiteite-(CaMgMg) | CaMg₃Al₂(PO₄)₄(OH)₂·2H₂O | Monoclinic | — | — |
| Whiteite-(CaMnFe) | CaMnFe₂Al₂(PO₄)₄(OH)₂·8H₂O | — | — | — |
| Whiteite-(CaMnMg) | CaMn²⁺Mg₂Al₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Whiteite-(CaMnMn) | CaMn²⁺Mn²⁺₂Al₂(PO₄)₄(OH)₂·8H₂O | Monoclinic | — | — |
| Whiteite-(MnFeMg) | Mn²⁺Fe²⁺Mg₂Al₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Whiteite-(MnMnMg) | MnMnMg₂Al₂(PO₄)₄(OH)₂ * 8H₂O | Monoclinic | — | — |
| Whiteite-(MnMnMn) | — | Monoclinic | — | — |
| Whiterockite | — | Monoclinic | — | — |
| Whitmoreite | Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 4H₂O | Monoclinic | 3.0 | — |
| Wickenburgite | CaPb₃Al₂Si₁₀O₂₄(OH)₆ | Trigonal | — | — |
| Wickmanite | Mn²⁺Sn⁴⁺(OH)₆ | Cubic | 3.5 | — |
| Wicksite | NaCa₂(Fe²⁺,Mn²⁺)₄MgFe³⁺(PO₄)₆ * 2H₂O | Orthorhombic | — | — |
| Widenmannite | Pb₂(OH)₂[(UO₂)(CO₃)₂] | Orthorhombic | — | — |
| Widgiemoolthalite | Ni₅(CO₃)₄(OH)₂·4-5H₂O | Monoclinic | — | — |
| Wightmanite | Mg₅(BO₃)O(OH)₅ * 2H₂O | Monoclinic | — | — |
| Wiklundite | Pb₂[₄](Mn²⁺,Zn)₃(Fe³⁺,Mn²⁺)₂(Mn²⁺,Mg)₁₉(As³⁺O₃)₂[(Si,As₅+)O₄]₆(OH)₁₈Cl₆ | Trigonal | — | — |
| Wilancookite | (Ba₅Li₂☐)Ba₆Be₂₄P₂₄O₉₆·26H₂O | Cubic | — | — |
| Wilcoxite | MgAl(SO₄)₂F * 17H₂O | Triclinic | — | — |
| Wildcatite | — | Trigonal | — | — |
| Wildenauerite | Zn(Fe³⁺,Mn²⁺)₂MnFe³⁺(PO₄)₃(OH)₃(H₂O)₆*₂H₂O | Orthorhombic | — | — |