Thomas Witzke's Image Gallery

Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 1036 Images

Natrodufrenite Image

Images:

Natrodufrenite: Na(Fe+++,Fe++)(Fe+++,Al)5(PO4)4(OH)6·2(H2O)

Comments: Greenish gray, botryoidal aggregates natrodufrenite on hematite-stained quartz.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Natrodufrenite Image

Images:

Natrodufrenite: Na(Fe+++,Fe++)(Fe+++,Al)5(PO4)4(OH)6·2(H2O)

Naujakasite Image

Images:

Naujakasite: Na6(Fe++,Mn)Al4Si8O26
Villiaumite: NaF

Comments: Greenish-gray crystals of naujakasite with red villiaumite.
Location: Narsaq river, Kvanefjeld Mt., Ilímaussaq massif, Greenland. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Naujakasite Image

Images:

Naujakasite: Na6(Fe++,Mn)Al4Si8O26
Villiaumite: NaF

Nealite Image

Images:

Nealite: Pb4Fe++(As+++++O4)2Cl4

Comments: Orange-yellow prismatic crystals of Nealite on matrix.
Location: Lavrion District slag localities, Attikí (Attica; Attika) Prefecture, Greece. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Nealite Image

Images:

Nealite: Pb4Fe++(As+++++O4)2Cl4

Nepouite Image

Images:

Nepouite: Ni3Si2O5(OH)4

Comments: Massive, green népouite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Nepouite Image

Images:

Nepouite: Ni3Si2O5(OH)4

Comments: Massive, green népouite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Neustadtelite Image

Images:

Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Small brown crystals of neustadtelite in matrix.
Location: Sauschwart mine, Schneeberg, Erzgebirge, Saxony, Germany. Scale: Picture Size 1.5 mm.
© Thomas Witzke

Neustadtelite Image

Images:

Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Small brown crystals of neustadtelite in matrix.
Location: Sauschwart mine, Schneeberg, Erzgebirge, Saxony, Germany. Scale: Picture Size 1.5 mm.
© Thomas Witzke

Nezilovite Image

Images:

Nezilovite: PbZn2(Mn++++,Ti++++)2Fe+++8O19

Comments: Small black grains of nezilovite in matrix.
Location: Nezilovo, FYR Macedonia. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Nezilovite Image

Images:

Nezilovite: PbZn2(Mn++++,Ti++++)2Fe+++8O19

Comments: Small black grains of nezilovite in matrix.
Location: Nezilovo, FYR Macedonia. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Nickel Image

Images:

Nickel: Ni

Comments: Very small cubic crystal of native Nickel, isolated from an ore concentrate.
Location: Nouméa, New Caledonia. Scale: Crystal size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag

Nickel Image

Images:

Nickel: Ni

Comments: Very small cubic crystal of native Nickel, isolated from an ore concentrate.
Location: Nouméa, New Caledonia. Scale: Crystal size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag

Nickelhexahydrite Image

Images:

Nickelhexahydrite: (Ni,Mg,Fe++)(SO4)·6(H2O)

Comments: Pale greenish crust of ferroan nickelhexahydrite.
Location: Sohland, Bautzen, Oberlausitz, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Nickelhexahydrite Image

Images:

Nickelhexahydrite: (Ni,Mg,Fe++)(SO4)·6(H2O)

Comments: Pale greenish crust of ferroan nickelhexahydrite.
Location: Sohland, Bautzen, Oberlausitz, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Nickellotharmeyerite Image

Images:

Nickellotharmeyerite: Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2

Comments: Brown, microcrystalline nickellotharmeyerite.
Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Nickellotharmeyerite Image

Images:

Nickellotharmeyerite: Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2

Nickelphosphide Image

Images:

Nickelphosphide: (Ni,Fe)3P
Kamacite: alpha-(Fe,Ni)

Comments: Small inclusion of nickelphosphide in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Nickelphosphide Image

Images:

Nickelphosphide: (Ni,Fe)3P
Kamacite: alpha-(Fe,Ni)

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