Mineral Specimen Images (W)

Wadalite: Ca6Al5Si2O16Cl3

Comments: Gray wadalite masses in matrix.
Location: Tadano, Koriyama, Fukushima, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wadalite: Ca6Al5Si2O16Cl3  
Kumtyubeite: Ca5(SiO4)2F2  
Srebrodolskite: Ca2Fe+++2O5  
Rondorfite: Ca8Mg(SiO4)4Cl2

Comments: BSE image of kumtyubeite (Kmt) associated with srebrodolskite (Srb), bultfonteinite (Blt), Ca- kydrosilicates, wadalite (Wad), rondorfite (Rndr), and ettringite (dark gray). (AmMin, v94:1361).
Location: Rock-forming mineral found in skarn carbonate-xenoliths in ignimbrites of the Upper Chegem volcanic structure, Kabardino-Balkaria, Northern Caucasus, Russia. Scale: See Image.
© American Mineralogist

Wadeite: K2ZrSi3O9

Comments: Sharp hexagonal crystal of wadeite with included dark green aegirine.
Location: Mt. Kukisvumchurr, Khibiny Massif (Russia). Scale: 12x10x6 mm.
© Richard Dale / Dale Minerals

Wadsleyite: (Mg,Fe++)2SiO4

Comments: Synthetic wadsleyite crystals.
Location: None, laboratory grown. Scale: See Image.
© Rruff Database

Wagnerite: (Mg,Fe++)2(PO4)F

Comments: Crudely formed opaque wagnerite crystal in pegmatite.
Location: Hollengraben, Salzberg, Austria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wairakite: CaAl2Si4O12·2(H2O)  
Dmisteinbergite: CaAl2Si2O8

Comments: Pearly platy crystalline dmisteinbergite with dull white wairakite on matrix.
Location: Kurumazawa, Katashina, Gumma, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wairakite: CaAl2Si4O12·2(H2O)

Comments: White nearly opaque crystalline massive wairakite, with a few crystals faces present.
Location: Tohi Mine, Shizuoka, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wairauite: CoFe

Comments: Octahedra of wairauite in serpentinite. AmMin v33:942.
Location: Red Hills serpentinites of the Wairau Valley, South Island, New Zealand. Scale: See Image.
© American Mineralogist

Wakabayashilite: [(As,Sb)6S9][As4S5]

Comments: Golden colored, acicular crystals of wakabayashilite on matrix.
Location: White Cap mine, Nye County, Nevada, USA. Scale: Picture size 3 cm.
© Dave Barthelmy

Wakefieldite-(Ce): (Ce+++,Pb++,Pb++++)VO4

Comments: Bluish black crystal of wakefieldite-(Ce) on matrix.
Location: Yellow Lake, Olala, British Columbia, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Wakefieldite-(La): LaVO4

Comments: Pale pink prisimatic crystal (center of photo) of Wakefieldite-(La) in matrix.
Location: Grube Glücksstern, Berg Gottlob, Friedrichroda, Thüringen, Germany. Scale: Picture size 3 mm.
© Thomas Witzke

Wakefieldite-(Nd): NdVO4

Comments: Thin section image of wakefieldite-(Nd) in orange caryopilite with hematite and rhodochrosite.
Location: Ferruginous manganese ore from the Arise deposit, Kochi Prefecture, Japan. Scale: See Image.
© Advanced Industrial Science and Technology

Wakefieldite-(Y): YVO4

Comments: Black rectangular prisms of wakefieldite-(Y) on matrix.
Location: Yellow Lake, British Columbia, Canada. Scale: See Image.
© Rruff Database

Walentaite: (Ca,Mn++,Fe++)Fe+++3(AsO4)(PO4)3(PO3OH)

Comments: Greenish yellow, flattened, radial, crystalline aggregates of walentaite on quartz.
Location: White Elephant mine, Custer County, South Dakota, USA. Scale: Picture size 1.5 cm.
© Tom Loomis / Dakota Matrix

Walfordite: (Fe+++,Te++++++)Te++++3O8

Comments: Crystal of orange walfordite on a matrix of alunite, (CanMin, v37:1261).
Location: Wendy open pit, Tambo mine, El Indio - Tambo mining property, Coquimbo Province, Chile. Scale: Crystal Size 0.2 mm.
© Canadian Mineralogist

Walkerite: Ca16(Mg,Li,[ ])2[B13O17(OH)12]4Cl6·28(H2O)

Comments: Scanning electron micrograph of an acicular walkerite crystal.
Location: Potash Corporation of Saskatchewan (New Brunswick Division) mine at Penobsquis, near Sussex, Kings County, New Brunswick, Canada. Scale: See Picture.
© Canadian Mineralogist

Wallisite: PbTl(Cu,Ag)As2S5

Comments: Gray black, blocky crystalline aggregate of wallisite on striated sulfosalt (dufrénoysite?).
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Aggregate 5 mm.
© Walter Gabriel

Wallkilldellite: Ca4Mn++6As+++++4O16(OH)8·18(H2O)

Comments: Dark red to black tiny crystals in veins in matrix.
Location: Starlera Mine, Val Ferrera, Graubünden, Switzerland. Scale: Picture Size 1 x 1.5 cm.
© Diederik Visser

Wallkilldellite-(Fe): (Ca,Cu)4Fe6[(As,Si)O4]4(OH)8·18(H2O)

Comments: Brown wallkilldellite-(Fe) with reddish cuprite.
Location: Roua Mine, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Walpurgite: Bi4(UO2)(AsO4)2O4·2(H2O)

Comments: Clear, yellow laths of walpurgite crystals.
Location: Schneesberg, Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals