Mineral Specimen Images (W)

Mineral Specimen Images (W)
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Mineral Specimen Images (W) With 234 Images

Willemseite Image

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Willemseite: (Ni,Mg)3Si4O10(OH)2  
Trevorite: NiFe+++2O4

Comments: Small trevorite crystal in massive willemseite.
Location: Bon Accord, Barberton Mountain, Mpumalanga, South Africa. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willemseite Image

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Willemseite: (Ni,Mg)3Si4O10(OH)2  
Trevorite: NiFe+++2O4

Comments: Waxy translucent green willemseite with black trevorite in schistose rock.
Location: Near Scotia Talc Mine, Barberton Mountain, Transvaal, Mpumalanga, South Africa. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willemseite Image

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Willemseite: (Ni,Mg)3Si4O10(OH)2  
Trevorite: NiFe+++2O4

Comments: Waxy translucent green willemseite with black trevorite in schistose rock.
Location: Near Scotia Talc Mine, Barberton Mountain, Transvaal, Mpumalanga, South Africa. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willemseite Image

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Willemseite: (Ni,Mg)3Si4O10(OH)2  
Trevorite: NiFe+++2O4

Comments: Small trevorite crystal in massive willemseite.
Location: Bon Accord, Barberton Mountain, Mpumalanga, South Africa. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willhendersonite Image

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Willhendersonite: KCaAl3Si3O12·5(H2O)

Comments: Colorless tabular willhendersonite crystals forming a spherical aggregate.
Location: San Venzano Quarry, Terni, Umbria, central Italy. Scale: See Image.
© Rruff Database

Willhendersonite Image

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Willhendersonite: KCaAl3Si3O12·5(H2O)

Comments: Colorless tabular willhendersonite crystals forming a spherical aggregate.
Location: San Venzano Quarry, Terni, Umbria, central Italy. Scale: See Image.
© Rruff Database

Willyamite Image

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Willyamite: (Co,Ni)SbS

Comments: Gray granular massive willyamite.
Location: Consols Lode, Broken Hill, Willyama Township, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Willyamite Image

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Willyamite: (Co,Ni)SbS

Comments: Gray granular massive willyamite.
Location: Consols Lode, Broken Hill, Willyama Township, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wiluite Image

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Wiluite: Ca19(Al,Mg,Fe,Ti)13(B,Al,[ ])5Si18O68(O,OH)10

Comments: Dark green, blocky wiluite crystal.
Location: Wilui River Region, Russia. Scale: 1-1/8" x 1"..
© Chris Wright / Wrights Rock Shop

Wiluite Image

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Wiluite: Ca19(Al,Mg,Fe,Ti)13(B,Al,[ ])5Si18O68(O,OH)10

Comments: Dark green, blocky wiluite crystal.
Location: Wilui River Region, Russia. Scale: 1-1/8" x 1"..
© Chris Wright / Wrights Rock Shop

Winchite Image

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Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2  
Sodalite: Na8Al6Si6O24Cl2

Comments: Purple sodalite with some crystal faces, supporting a very sharp, transparent winchite crystal, terminated on one end.
Location: Sar-e-Sang, Kokcha Valley, Badakshan Province, Afghanistan. Scale: 11x10x8 mm.
© Richard Dale / Dale Minerals

Winchite Image

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Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2

Comments: Magenta crystalline winchite in manganese ore.
Location: Tirodi Mines, Madhya Pradesh, India. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Winchite Image

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Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2  
Sodalite: Na8Al6Si6O24Cl2

Comments: Purple sodalite with some crystal faces, supporting a very sharp, transparent winchite crystal, terminated on one end.
Location: Sar-e-Sang, Kokcha Valley, Badakshan Province, Afghanistan. Scale: 11x10x8 mm.
© Richard Dale / Dale Minerals

Winchite Image

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Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2

Comments: Magenta crystalline winchite in manganese ore.
Location: Tirodi Mines, Madhya Pradesh, India. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Winstanleyite Image

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Winstanleyite: TiTe++++3O8  
Jarosite: KFe+++3(SO4)2(OH)6

Comments: Small, yellow octahedral crystal of winstanleyite on brownish red jarosite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 0.9 mm.
© Thomas Witzke / Abraxas-Verlag

Winstanleyite Image

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Winstanleyite: TiTe++++3O8  
Jarosite: KFe+++3(SO4)2(OH)6

Comments: Small, yellow octahedral crystal of winstanleyite on brownish red jarosite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 0.9 mm.
© Thomas Witzke / Abraxas-Verlag

Wiserite Image

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Wiserite: Mn4B2O5(OH,Cl)4

Comments: Pale pink granular wiserite.
Location: Kombat Mine, Kombat, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wiserite Image

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Wiserite: Mn4B2O5(OH,Cl)4

Comments: Pale pink granular wiserite.
Location: Kombat Mine, Kombat, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Witherite Image

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Witherite: BaCO3

Comments: Specimen of witherite with a rounded (stellate) habit. The lower picture was taken under SW UV light and shows the crystalline aggregates.
Location: Minerva #1 Mine, Hardin County, Illinois, USA. Scale: 5.2 x 4.5 cm.
© John Veevaert

Witherite Image

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Witherite: BaCO3

Comments: Specimen of witherite with a rounded (stellate) habit. The lower picture was taken under SW UV light and shows the crystalline aggregates.
Location: Minerva #1 Mine, Hardin County, Illinois, USA. Scale: 5.2 x 4.5 cm.
© John Veevaert
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