Mineral Specimen Images (W)

Weeksite: K2(UO2)2Si6O15·4(H2O)

Comments: Globular masses of yellow weeksite crystals with white aragonite on a sandstone matrix.
Location: Jackpile Mine, Laguna District, Cibola County, New Mexico, USA. Scale: Picture size 1 cm.
© Paul M. Schumacher

Weeksite: K2(UO2)2Si6O15·4(H2O)

Comments: Bright yellow weeksite aggregates.
Location: Anderson mine, Yavapai County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Wegscheiderite: Na5(CO3)(HCO3)3

Comments: Greasy pale pink translucent platy crystalline wegscheiderite in syenite rock.
Location: Mount Alluaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wegscheiderite: Na5(CO3)(HCO3)3

Comments: Greasy pale pink translucent platy crystalline wegscheiderite in syenite rock.
Location: Mount Alluaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Weibullite: Pb6Bi8(S,Se)18  
Nordstromite: Pb3CuBi7(S10Se4)

Comments: Fibrous, silvery crystals of nordstromite. Lacking a chemical analysis it is possible that the crystal is weibullite instead.
Location: Falu mine, Falun, Sweden. Scale: Crystal Size 1 mm.
© Tom Loomis / Dakota Matrix

Weibullite: Pb6Bi8(S,Se)18  
Nordstromite: Pb3CuBi7(S10Se4)

Comments: Fibrous, silvery crystals of nordstromite. Lacking a chemical analysis it is possible that the crystal is weibullite instead.
Location: Falu mine, Falun, Sweden. Scale: Crystal Size 1 mm.
© Tom Loomis / Dakota Matrix

Weilite: CaHAsO4

Comments: White, radial aggregates weilite on matrix.
Location: Schlema, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Weilite: CaHAsO4

Comments: White, radial aggregates weilite on matrix.
Location: Schlema, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Weinebeneite: CaBe3(PO4)2(OH)2·5(H2O)

Comments: Colorless Weinebeneite on brown matrix.
Location: Koralpe Mts, Carinthia, Austria. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Weinebeneite: CaBe3(PO4)2(OH)2·5(H2O)

Comments: Colorless Weinebeneite on brown matrix.
Location: Koralpe Mts, Carinthia, Austria. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Weissbergite: TlSbS2

Comments: A metallic grain of weissbergite in matrix.
Location: Lookout Pass, Tooele Co., Utah, USA. Scale: Grain size 0.75 mm.
© Tom Loomis / Dakota Matrix

Weissbergite: TlSbS2

Comments: A metallic grain of weissbergite in matrix.
Location: Lookout Pass, Tooele Co., Utah, USA. Scale: Grain size 0.75 mm.
© Tom Loomis / Dakota Matrix

Weissite: Cu1.9Te

Comments: Metallic, irregular masses of weissite in quartz, with green malachite.
Location: Winston, Sierra Co., New Mexico, USA. Scale: Picture Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Weissite: Cu1.9Te

Comments: Metallic, irregular masses of weissite in quartz, with green malachite.
Location: Winston, Sierra Co., New Mexico, USA. Scale: Picture Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)

Comments: Columnar aggregates of Weloganite crystals.
Location: Francon quarry, Montreal, Quebec, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)

Comments: Pseudo-hexagonal "stacked" plates of white weloganite with flat pedion termination.
Location: Francon quarry, Montréal, Jacques Cartier Co., Québec, Canada. Scale: Crystal size 3 mm.
© Tom Loomis / Dakota Matrix

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)  
Hydrodresserite: BaAl2(CO3)2(OH)4·3(H2O)

Comments: White spherical aggregates of hydrodresserite with radiating structure with columnar weloganite.
Location: Francon Quarry, Montreal, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)  
Hydrodresserite: BaAl2(CO3)2(OH)4·3(H2O)

Comments: White spherical aggregates of hydrodresserite with radiating structure with columnar weloganite.
Location: Francon Quarry, Montreal, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)

Comments: Pseudo-hexagonal "stacked" plates of white weloganite with flat pedion termination.
Location: Francon quarry, Montréal, Jacques Cartier Co., Québec, Canada. Scale: Crystal size 3 mm.
© Tom Loomis / Dakota Matrix

Weloganite: Sr3Na2Zr(CO3)6·3(H2O)

Comments: Columnar aggregates of Weloganite crystals.
Location: Francon quarry, Montreal, Quebec, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals