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Frank deWit's Photo Gallery

Giesse(nite)

Turtschi, Giessen, Binn Valley, Valais, Switzerland

For years now, I've been wanting to add "-nite" to the sign... ;)
Copyright: © Frank de Wit      Photo ID: 907214     Uploaded by: Frank deWit   View Count: 20   Approval status: Public galleries    Type: Photo - 2592 x 1936 pixels (5.0 Mpix)

Dr. Ludger Krahn

Dr. Ludger Krahn under a fluorite vein in the Grube Hohe Warte, Harz, Germany.

The mineral lukrahnite is named after Dr. Krahn.
Copyright: © Ludger Krahn      Photo ID: 905663     Uploaded by: Frank deWit   View Count: 71   Approval status: User gallery    Type: Photo - 2632 x 3954 pixels (10.4 Mpix)

8L8-99TUnnamed Organometallic Se Phase

Multiple photos available
Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Field of View: 3 mm

(sorry for the bad picture ; was shot in 2005)
Copyright: © Frank de Wit      Photo ID: 745769     Uploaded by: Frank deWit   View Count: 174   Approval status: Public galleries    Type: Photo - 682 x 512 pixels (0.3 Mpix)

J86-M0KUnnamed Organometallic Se Phase

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Field of View: 5 mm



Mindat.org Photo of the Day - 9th Jun 2016
Copyright: © Frank de Wit      Photo ID: 745768     Uploaded by: Frank deWit   View Count: 944   Approval status: Public galleries    Type: Photo - 854 x 570 pixels (0.5 Mpix)

TPH-55YUnnamed (NH4-Zn-Fe Chloride), Kremersite

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Field of View: 5 cm

"Unnamed (NH4-Zn-Fe Chloride)" (green crystals near red kremersite), etc, immediately after extracting it from a vent ("fumarole") on the smoldering coaldump of the Anna coalmine.
Photo ca.5 cm wide
Copyright: © Frank de Wit      Photo ID: 736827     Uploaded by: Frank deWit   View Count: 95   Approval status: Public galleries    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)

Kremersite specimen

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Specimen with Kremersite, Unnamed (NH4-Zn-Fe Chloride),
Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate), and
Unnamed (NH4-Mn Chloride-Hydrate),
immediately after extracting it from a vent ("fumarole") on the smoldering coaldump of the Anna coalmine.
Specimen ca.15 cm wide
Copyright: © Frank de Wit      Photo ID: 736826     Uploaded by: Frank deWit   View Count: 102   Approval status: Public galleries    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)

Measuring vent-temperature

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Measuring the temperature in the vent ("fumarole") of this image -> http://www.mindat.org/photo-736824.html
Copyright: © Frank de Wit      Photo ID: 736825     Uploaded by: Frank deWit   View Count: 114   Approval status: Public galleries    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)

Vent with Kremersite

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Vent ("fumarole") with Kremersite,
Unnamed (NH4-Zn-Fe Chloride),
Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate), and
Unnamed (NH4-Mn Chloride-Hydrate),
on the smoldering coaldump of the Anna coalmine.
Photo ca.20 cm wide
Copyright: © Frank de Wit      Photo ID: 736824     Uploaded by: Frank deWit   View Count: 115   Approval status: Public galleries    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)

3CF-GWAUnnamed (NH4-Zn-Fe Chloride), Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate)

Multiple photos available
Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Field of View: 5 mm

Unnamed (NH4-Zn-Fe Chloride) (green)
Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate) (yellow)
(both on specimens with kremersite)
(photo from 2010, sorry for the low quality)
Copyright: © Frank de Wit      Photo ID: 736822     Uploaded by: Frank deWit   View Count: 105   Approval status: Public galleries    Type: Photo - 854 x 570 pixels (0.5 Mpix)

D0D-UL3Unnamed (NH4-Zn-Fe Chloride), Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate)

Multiple photos available
Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany

Field of View: 5 mm

Unnamed (NH4-Zn-Fe Chloride) (green)
Unnamed (NH4-Mn Chloride-Fluoride(?)-Hydrate) (yellow)
(both on specimens with kremersite)
(photo from 2010, sorry for the low quality)
Copyright: © Frank de Wit      Photo ID: 736820     Uploaded by: Frank deWit   View Count: 109   Approval status: Public galleries    Type: Photo - 854 x 570 pixels (0.5 Mpix)
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