Wadalite

Wadalit

Ca₆Al₅Si₂O₁₆Cl₃

cubic

Wadeite

Wadeit

K₂ZrSi₃O₉

hexagonal

Wadsleyite

Wadsleyit

b-(Mg, Fe²⁺)₂SiO₄

orthorhombic

Wagnerite

Wagnerit

(Mg, Fe²⁺)₂(PO₄)F

monoclinic

Wairakite

Wairakit

CaAl₂Si₄O₁₂ • 2H₂O

monoclinic

Wairauite

Wairauit

CoFe

cubic

Wakabayashilite

Wakabayashilit

(As, Sb)₁₁S₁₈

monoclinic

Wakefieldite-(Ce)

Wakefieldit-(Ce)

(Ce, La, Nd, Pb)VO₄

tetragonal

Wakefieldite-(Y)

Wakefieldit-(Y)

YVO₄

tetragonal

Walentaite

Walentait

H(Ca, Fe²⁺, Mn²⁺)Fe³⁺₃(AsO₄, PO₄)₄ • 7H₂O

orthorhombic

Walfordite

Walfordit

(Fe³⁺, Te⁶⁺)Te⁴⁺₃O₈

cubic

Walkerite

Walkerit

Ca₁₆(Mg, Li, o)₂[B₁₃O₁₇(OH)₁₂]₄Cl₆ • 28H₂O

orthorhombic

Wallisite

Wallisit

PbTl(Cu, Ag)As₂S₅

triclinic

Wallkilldellite

Wallkilldellit

Ca₄Mn²⁺₆As⁵⁺₄O₁₆(OH)₈ • 18H₂O

hexagonal

Wallkilldellite-(Fe)

Wallkilldellit-(Fe)

Ca₄Fe²⁺₆As⁵⁺₄O₁₆(OH)₈ • 18H₂O

hexagonal

Walpurgite

Walpurgin

Bi₄(UO₂)O₄(AsO₄)₂ • 2H₂O

triclinic

Walstromite

Walstromit

BaCa₂Si₃O₉

triclinic

Walthierite

Walthierit

BaAl₆(SO₄)₄(OH)₁₂

trigonal

Wardite

Wardit

NaAl₃(PO₄)₂(OH)₄ • 2H₂O

tetragonal

Wardsmithite

Wardsmithit

Ca₅MgB₂₄O₄₂ • 30H₂O

hexagonal

Warikahnite

Warikahnit

Zn₃(AsO₄)₂ • 2H₂O

triclinic

Warwickite

Warwickit

Mg(Ti, Fe³⁺, Al)(BO₃)O

orthorhombic

Watanabeite

Watanabeit

Cu₄(As, Sb)₂S₅

orthorhombic

Watatsumiite

Watatsumiit

KNa₂LiMn₂V₂Si₈O₂₄

monoclinic

Waterhouseite

Waterhouseit

Mn₇(PO₄)₂(OH)₈

monoclinic

Watkinsonite

Watkinsonit

Cu₂PbBi₄(Se, S)₈

monoclinic

Wattersite

Wattersit

Hg⁺₄Hg²⁺Cr⁶⁺O₆

monoclinic

Wattevillite

Wattevillit

Na₂Ca(SO₄)₂ • 4H₂O (?)

orthorhombic or monoclinic

Wavellite

Wavellit

Al₃(PO₄)₂(OH, F)₃ • 5H₂O

orthorhombic

Wawayandaite

Wawayandait

Ca₆Mn²⁺₂BBe₉Si₆O₂₃(OH, Cl)₁₅

monoclinic

Waylandite

Waylandit

(Bi, Ca)Al₃(PO₄, SiO₄)₂(OH)₆

trigonal

Weberite

Weberit

Na₂MgAlF₇

orthorhombic

Weddellite

Weddellit

Ca(C₂O₄) • 2H₂O

tetragonal

Weeksite

Weeksit

K₂(UO₂)₂Si₆O₁₅ • 4H₂O

orthorhombic

Wegscheiderite

Wegscheiderit

Na₅(CO₃)(HCO₃)₃

triclinic

Weibullite

Weibullit

(Pb, Ag)₆Bi₈(S, Se)₁₈

orthorhombic

Weilite

Weilit

CaHAsO₄

triclinic

Weinebeneite

Weinebeneit

CaBe₃(PO₄)₂(OH)₂ • 4H₂O

monoclinic

Weishanite

Weishanit

(Au, Ag)₃Hg₂

hexagonal

Weissbergite

Weissbergit

TlSbS₂

triclinic

Weissite

Weissit

Cu₅Te₃

hexagonal

Welinite

Welinit

(Mn²⁺, Mg)₃(W⁶⁺, Mn³⁺)_1-x(SiO₄)(O, OH)₃ (x = 1/3)

trigonal

Weloganite

Weloganit

Sr₃Na₂Zr(CO₃)₆ • 3H₂O

triclinic

Welshite

Welshit

Ca₂Mg₄Fe³⁺Sb⁵⁺Si₄Be₂O₂₀

triclinic

Wendwilsonite

Wendwilsonit

Ca₂(Mg, Co)(AsO₄)₂ • 2H₂O

monoclinic

Wenkite

Wenkit

Ba₄Ca₆(Si, Al)₂₀O₃₉(OH)₂(SO₄)₃ • nH₂O (?)

hexagonal

Werdingite

Werdingit

(Mg, Fe²⁺)₂Al₁₄B₄Si₄O₃₇

triclinic

Wermlandite

Wermlandit

(Ca, Mg)Mg₇(Al, Fe³⁺)₂(SO₄)₂(OH)₁₈ • 12H₂O

hexagonal

Wesselsite

Wesselsit

SrCu²⁺Si₄O₁₀

tetragonal

Westerveldite

Westerveldit

(Fe, Ni)As

orthorhombic

Wheatleyite

Wheatleyit

Na₂Cu²⁺(C₂O₄)₂ • 2H₂O

triclinic

Wherryite

Wherryit

Pb₇Cu²⁺₂(SO₄)₄(SiO₄)₂(OH)₂

monoclinic

Whewellite

Whewellit

CaC₂O₄ • H₂O

monoclinic

Whiteite-(CaFeMg)

Whiteit-(CaFeMg)

Ca(Fe²⁺, Mn²⁺)Mg₂Al₂(PO₄)₄(OH)₂ • 8H₂O

monoclinic

Whiteite-(CaMnMg)

Whiteit-(CaMnMg)

CaMn²⁺Mg₂Al₂(PO₄)₄(OH)₂ • 8H₂O

monoclinic

Whiteite-(MnFeMg)

Whiteit-(MnFeMg)

(Mn²⁺, Ca)(Fe²⁺, Mn²⁺)Mg₂Al₂(PO₄)₄ (OH)₂ • 8H₂O

monoclinic

Whitlockite

Whitlockit

Ca₉(Mg, Fe²⁺)(PO₄)₆(PO₃OH)

trigonal

Whitmoreite

Whitmoreit

Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ • 4H₂O

monoclinic

Wickenburgite

Wickenburgit

Pb₃CaAl₂Si₁₀O₂₄(OH)₆

hexagonal

Wickmanite

Wickmanit

Mn²⁺Sn⁴⁺(OH)₆

cubic

Wicksite

Wicksit

NaCa₂(Fe²⁺, Mn²⁺)₄MgFe³⁺(PO₄)₆ • 2H₂O

orthorhombic

Widenmannite

Widenmannit

Pb₂(UO₂)(CO₃)₃

orthorhombic

Widgiemoolthalite

Widgiemoolthalit

(Ni, Mg)₅(CO₃)₄(OH)₂ • 4-5H₂O

monoclinic

Wightmanite

Wightmanit

Mg₅(BO₃)O(OH)₅ • 2H₂O

monoclinic

Wilcoxite

Wilcoxit

MgAl(SO₄)₂F • 18H₂O

triclinic

Wilhelmkleinite

Wilhelmkleinit

ZnFe³⁺₂(AsO₄)₂(OH)₂

monoclinic

Wilhelmvierlingite

Wilhelmvierlingit

CaMn²⁺Fe³⁺(PO₄)₂(OH) • 2H₂O

orthorhombic

Wilkinsonite

Wilkinsonit

Na₂Fe²⁺₄Fe³⁺₂Si₆O₂₀

triclinic

Wilkmanite

Wilkmanit

Ni₃Se₄

monoclinic

Willemite

Willemit

Zn₂SiO₄

trigonal

Willemseite

Willemseit

(Ni, Mg)₃Si₄O₁₀(OH)₂

monoclinic

Willhendersonite

Willhendersonit

KCaAl₃Si₃O₁₂ • 5H₂O

triclinic

Willyamite

Willyamit

(Co, Ni)SbS

monoclinic or triclinic

Winchite

Winchit

[NaCa][(Mg, Fe²⁺)₄Al]Si₈O₂₂(OH)₂

monoclinic

Winstanleyite

Winstanleyit

TiTe⁴⁺₃O₈

cubic

Wiserite

Wiserit

(Mn²⁺, Mg)₁₄B₈(Si, Mg)O₂₂(OH)₁₀Cl

tetragonal

Witherite

Witherit

BaCO₃

orthorhombic

Wittichenite

Wittichenit

Cu₃BiS₃

orthorhombic

Wittite

Wittit

Pb₃Bi₄(S, Se)₉

monoclinic

Wodginite

Wodginit

Mn²⁺(Sn⁴⁺, Ta)Ta₂O₈

monoclinic

Wöhlerite

Wöhlerit

NaCa₂(Zr, Nb)Si₂O₇(O, OH, F)₂

monoclinic

Wolfeite

Wolfeit

(Fe²⁺, Mn²⁺)₂(PO₄)(OH)

monoclinic

Wollastonite

Wollastonit

CaSiO₃

triclinic, monoclinic

Wölsendorfite

Wölsendorfit

(Pb, Ca)U₂O₇ • 2H₂O

orthorhombic

Wonesite

Wonesit

(Na, K)_0.5(Mg, Fe, Al)₃(Si, Al)₄O₁₀(OH, F)₂

monoclinic

Woodallite

Woodallit

Mg₆Cr₂(OH)₁₆Cl₂ • 4H₂O

trigonal

Woodhouseite

Woodhouseit

CaAl₃(PO₄)(SO₄)(OH)₆

trigonal

Woodruffite

Woodruffit

(Zn, Mn²⁺)Mn⁴⁺₃O₇ • 1-2H₂O

tetragonal

Woodwardite

Woodwardit

Cu²⁺₄Al₂(SO₄)(OH)₁₂ • 2-4H₂O (?)

?

Wooldridgeite

Wooldridgeit

Na₂CaCu₂(P₂O₇)₂ • 10H₂O

orthorhombic

Wroewolfeite

Wroewolfeit

Cu²⁺₄(SO₄)(OH)₆ • 2H₂O

monoclinic

Wulfenite

Wulfenit

PbMoO₄

tetragonal

Wülfingite

Wülfingit

Zn(OH)₂

orthorhombic

Wupatkiite

Wupatkiit

(Co, Mg, Ni)Al₂(SO₄)₄ • 22H₂O

monoclinic

Wurtzite

Wurtzit

ZnS

hexagonal

Wüstite

Wüstit

Fe²⁺O

cubic

Wyartite

Wyartit

Ca₃U⁴⁺(UO₂)₆(CO₃)₂(OH)₁₈ • 3-5H₂O

orthorhombic

Wycheproofite

Wycheproofit

NaAlZr(PO₄)₂(OH)₂ • H₂O

triclinic

Wyllieite

Wyllieit

(Na, Ca, Mn²⁺)(Mn²⁺, Fe²⁺)(Fe²⁺, Fe³⁺, Mg)Al(PO₄)₃

monoclinic