Mineral Specimen Images (W)

Whewellite: Ca(C2O4)·(H2O)

Comments: White crystal of whewellite, perched on a spray of brown calcite crystals.
Location: Shaft 21, Schlema, Hartenstein, Germany. Scale: 7 x 6 x 4 cm.
© Rob Lavinsky

Whiteite-(CaFeMg): Ca(Fe++,Mn++)Mg2Al2(PO4)4(OH)2·8(H2O)

Comments: Blocky, beige-pink whiteite-(CaFeMg) crystals on matrix.
Location: Cross-cut Creek, Yukon Territory, Canada. Scale: Crystal size 2x3x3.5 cm.
© Dave Barthelmy

Whiteite-(CaMnMg): CaMn++Mg2Al2(PO4)4(OH)2·8(H2O)  
Lazulite: MgAl2(PO4)2(OH)2

Comments: Light beige-colored whiteite-(CaMnMg) crystal perched on dark blue lazulite.
Location: Rapid Creek, Yukon Territory, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Whiteite-(MnFeMg): (Mn++,Ca)(Fe++,Mn++)Mg2Al2(PO4)4(OH)2·8(H2O)

Comments: Spherical micro crystalline aggregates of whiteite- (MnFeMg) on matrix to 0.3 mm.
Location: Foote Mine, Kings Mtn. Dist., Cleveland Co., North Carolina, USA. Scale: Specimen Size 2 x 1 x 1 cm.
© Tom Loomis / Dakota Matrix

Whitlockite: Ca9(Mg,Fe++)(PO4)6(PO3OH)

Comments: Clear, transparent whitlockite crystal.
Location: Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Whitmoreite: Fe++Fe+++2(PO4)2(OH)2·4(H2O)

Comments: Two stellate crystal clusters of whitmoreite.
Location: Big Chief mine, Keystone, Penninton County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Wickenburgite: Pb3CaAl2Si10O27·4(H2O)

Comments: Transparent colorless wickenburgite microcrystals.
Location: Wickenburg, Maricopa County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wickmanite: Mn++Sn++++(OH)6

Comments: Colorless wickmanite crystals.
Location: Langban, Varmland, Sweden. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Wicksite: NaCa2(Fe++,Mn++)4MgFe+++(PO4)6·2(H2O)  
Wolfeite: (Fe++,Mn++)2(PO4)(OH)

Comments: Cleaved nodule of fine-grained aggregate of wicksite and wolfeite.
Location: Big Fish River, Yukon, Canada. Scale: 3 x 1.5 cm.
© Dave Barthelmy

Widenmannite: Pb2(UO2)(CO3)3

Comments: Cotton ball aggregates of tan to colorless acicular crystals of widenmannite on matrix.
Location: Pribram, Bohemia, Czechoslovakia. Scale: See Image.
© Rruff Database

Widgiemoolthalite: (Ni,Mg)5(CO3)4(OH)2·4-5(H2O)

Comments: Green crystals of widgiemoolthalite.
Location: 132 North Mine, Widgiemooltha, Western Australia, Australia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Wightmanite: Mg5(BO3)O(OH)5·2(H2O)

Comments: Tan silky prismatic wightmanite in pale blue calcite.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wilcoxite: MgAl(SO4)2F·18(H2O)

Comments: Small, transparent crystals of wilcoxite.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Wilhelmkleinite: ZnFe+++3(AsO4)2(OH)2

Comments: Stout prismatic crystal of wihelmkleinite on matrix.
Location: Tsumeb mine, Namibia. Scale: See Image.
© William Pinch

Wilhelmvierlingite: CaMn++Fe+++(PO4)2(OH)·2(H2O)  
Rockbridgeite: (Fe++,Mn)Fe+++4(PO4)3(OH)5

Comments: Yellow brown crystals wilhelmvierlingite with black rockbridgeite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrauß, Oberpfalz, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Wilkinsonite: Na2Fe++4Fe+++2Si6O20

Comments: Black wilkinsonite grains with anorthoclase.
Location: Warrumbungle Volcano, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willemite: Zn2SiO4  
Conichalcite: CaCu(AsO4)(OH)

Comments: Conichalcite with willemite.
Location: Collected from the 30 level of the Tsumeb mine. Tsumeb, Namibia. Scale: 2.1 x 1.5 cm.
© John Veevaert

Willemite: Zn2SiO4

Comments: Sky blue botryoidal willemite with dark to white dolomite.
Location: Tsumeb Mine, Namibia. Scale: 6 x 3 cm.
© John Veevaert

Willemite: Zn2SiO4

Comments: Specimen of blocky willemite crystals. The lower picture shows willemite under SW UV light.
Location: Franklin, New Jersey, USA. Scale: 2.8 x 2.3 cm..
© John Veevaert

Willemite: Zn2SiO4  
Glaucochroite: CaMnSiO4  
Zincite: (Zn,Mn)O

Comments: Pinkish gray crystalline glaucochroite intermixed with pale green willemite, with dark red zincite and white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species