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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
Comments: Colorless, twinned crystal of Whewellite. Location: Burgk, near Dresden, Saxony, Germany. Scale: Crystal size 7 mm. © Thomas Witzke / Abraxas-Verlag
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