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Thomas Witzke's Photo Gallery

QX4-XVJFreitalite C14H10 , Sulphur S8

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Carola Mine, Freital, Sächsische Schweiz-Osterzgebirge, Saxony, Germany

Field of View: 90 mm

Violet blades of freitalite on sulphur. From the original find in 1987.
Photo ID: 1046133     Uploaded by: Thomas Witzke   View Count: 39   Approval status: Public galleries    Type: Photo - 1747 x 1309 pixels (2.3 Mpix)

3G0-HN1Iron Fe , Taenite (Fe,Ni)

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Emsland meteorite, Brahe, Rhede, Emsland District, Lower Saxony, Germany

Dimensions: 62 mm x 30 mm
Weight: 91.6 g

Slice of the Emsland meteorite (ungrouped iron). Formerly in the collections of Franz Hillen (1942), Oscar E. Monnig (1949), Walter Zeitschel, and Peter Jäger (1997).
Copyright: © Thomas Witzke      Photo ID: 890387     Uploaded by: Thomas Witzke   View Count: 88   Approval status: Public galleries    Type: Photo - 2453 x 1840 pixels (4.5 Mpix)

VCM-M21Iron Fe , Taenite (Fe,Ni)

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Treysa meteorite, Schwalmstadt, Schwalm-Eder, Kassel Region, Hesse, Germany

Dimensions: 26 mm x 16 mm
Weight: 16.0 g

Part slice of the Treysa meteorite. Fall 3rd April 1916, found 5th March 1917. Rommershausen, Schwalmstadt, Hesse, Germany.
Copyright: © Thomas Witzke      Photo ID: 841391     Uploaded by: Thomas Witzke   View Count: 109   Approval status: Public galleries    Type: Photo - 1540 x 1155 pixels (1.8 Mpix)

DWY-A0NIron Fe

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Bitburg meteorite, Albacher Mühle, Bitburg, Bitburg-Prüm District, Rhineland-Palatinate, Germany

Dimensions: 33 mm x 22 mm x 12 mm
Weight: 36.1 g

Bitburg meteorite (found 1805) sample. This sample represents the partially melted material from processing experiments done around 1814. From the original around 1.5 metric tons of the meteorite, only a very few grams original material and a few kg processed material were preserved.
Copyright: © Thomas Witzke      Photo ID: 782960     Uploaded by: Thomas Witzke   View Count: 143   Approval status: Public galleries    Type: Photo - 1704 x 1278 pixels (2.2 Mpix)

R38-YWCSalammoniac NH4Cl

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Carola Mine, Freital, Sächsische Schweiz-Osterzgebirge, Saxony, Germany

Salammoniac crystals. Specimen size 32 mm.
Copyright: © Thomas Witzke      Photo ID: 322193     Uploaded by: Thomas Witzke   View Count: 375   Approval status: Public galleries    Type: Photo - 800 x 601 pixels (0.5 Mpix)

1Q7-ALPSalammoniac NH4Cl

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Kukhi-Malik area, Yagnob River, Zeravshan Range, Sughd, Tajikistan

Salammoniac crystals. Specimen size 35 mm.
Copyright: © Thomas Witzke      Photo ID: 322192     Uploaded by: Thomas Witzke   View Count: 383   Approval status: Public galleries    Type: Photo - 800 x 600 pixels (0.5 Mpix)

HWK-U16Pyracmonite (NH4)3Fe(SO4)3

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Carola Mine, Freital, Sächsische Schweiz-Osterzgebirge, Saxony, Germany

Pyracmonite as crust on rock. Sample analyzed by XRD, SEM-EDX, AAS and infrared spectroscopy. Specimen size 5 cm.

Mindat.org Photo of the Day - 3rd Nov 2010
Copyright: © Thomas Witzke      Photo ID: 321525     Uploaded by: Thomas Witzke   View Count: 1178   Approval status: Public galleries    Type: Photo - 800 x 599 pixels (0.5 Mpix)

NXL-NAJWakefieldite-(La) La(VO4) , Hausmannite Mn2+Mn3+2O4

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Glücksstern Mine, Gottlob Hill, Friedrichroda, Gotha District, Thuringia, Germany

Brown prismatic crystal of wakefieldite-(La) on hausmannite crystals. Picture size 3 mm.
Copyright: © Thomas Witzke      Photo ID: 244640     Uploaded by: Thomas Witzke   View Count: 1043   Approval status: Public galleries    Type: Photo - 600 x 450 pixels (0.3 Mpix)

THE-257Stanfieldite Ca4Mg5(PO4)6 , Iron Fe , Enstatite Mg2Si2O6

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Estherville meteorite, Emmet Co., Iowa, USA

Brown crystals of stanfieldite in a vug in the Estherville meteorite (mesosiderite A3/4). Associated with iron (variety kamacite, 7 wt.% Ni in this sample, the grains show cutting marks) and enstatite (grey, matrix). Analyzed material. Picture size 5 mm.
Copyright: © Thomas Witzke      Photo ID: 244632     Uploaded by: Thomas Witzke   View Count: 986   Approval status: Public galleries    Type: Photo - 600 x 451 pixels (0.3 Mpix)

A9X-5HXGraphite C , Iron Fe

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Canyon Diablo meteorite, Meteor Crater area, Coconino County, Arizona, USA

Large graphite nodule with veins of iron (variety kamacite) from the Canyon Diablo meteorite. Specimen size 66 x 50 mm, weight 142 gramm.
Copyright: © Thomas Witzke      Photo ID: 244617     Uploaded by: Thomas Witzke   View Count: 671   Approval status: Public galleries    Type: Photo - 600 x 450 pixels (0.3 Mpix)
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