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Aleš Tomek's Mindat Home Page

My PageMy PhotosMy GalleriesMy BlogMy FavouritesMy Sponsored PagesMy EventsContact Me

Mineral Collection of Ales Tomek

Registered member since 13th Apr 2009

Aleš Tomek has uploaded:
610 Mineral Photos
349 Locality Photos
11 Other Photos

Aleš has written 1 blog entry  RSS Link to blog for Aleš Tomek
 
Wellcome fellow rockhunters!

Just a few info about me and my minerals. I live in Prague, Czech Republic. I started collecting in 1983. Mineralogy is "just" my hobby, not a profession - I am a neurologist.

My mineral collection is composed nowadays only from self collected specimens. The only exceptions are gifts from my family or friends and a couple of specimens bought in the end of 80's (again gifts from my parents).

I do go out for field collecting nearly every week, the great amount of my "mineral" time is taken by macro and microphotography of my specimens.

The last of my mineral hobbies is photography of specimens from Czech Republic in museums (where You can see the glorious specimens from the past - e.g. Prague, Wien..)...and of course I upload photos to and edit text in Czech locality pages on MinDat.

I take my photos with Canon EOS 6D with:
- Sigma 24mm f/1.8 EX DG Aspherical Macro (FOV above 50mm)
- CANON EF 100/2.8 MACRO USM (FOV above 18mm)
- CANON MP-E 65mm f/2.8 1-5x (FOV 3-18mm)
- stereomicroscope MEIJI EMZ-13TR (10-70x) (FOV under 5mm)
- Zeiss Luminar 16mm with bellows (FOV under 3mm)

I do use photo stacking with Helicon Focus for MAC.


Examples of some of my favorite specimens collected in 2009 and 2010:

Baryte
Epidote
Beryl
Cacoxenite
Baryte
Epidote
Beryl
Cacoxenite
Baryte
Epidote
Beryl
Cacoxenite




The examples of Czech wild nature photographed on the mineral localities

Dung Beetle
Caterpillar - Deilephila elpenor
Great Capricorn Beetle
Frog Pelophylax esculentus
Dung Beetle
Caterpillar - Deilephila elpenor
Great Capricorn Beetle
Frog Pelophylax esculentus
Dung Beetle
Caterpillar - Deilephila elpenor
Great Capricorn Beetle
Frog Pelophylax esculentus


So any questions about localities where I have been or if You see some evident mistake in mineral identification, please send me an email.

Thanks for Your visit and enjoy my photos!

Aleš.

 

Favourite Photos

52H-F81Tourmaline : A(D3)G6(T6O18)(BO3)3X3Z

Sapo Mine, Ferruginha, Conselheiro Pena, Doce valley, Minas Gerais, Brazil

A classic tourmaline from the Sapo Mine. Specimen size 2.6 x 1 cm.
Copyright: © A&M      Photo ID: 329897     Uploaded by: AM Mizunaka   View Count: 9172   Approval status: Public galleries    Type: Photo - 382 x 800 pixels (0.3 Mpix)

C75-NWCChrysoberyl : BeAl2O4

Rasovna, Maršíkov, Šumperk, Olomouc Region, Moravia, Czech Republic

Crystal of chrysoberyl in sillimanitic pegmatite from Rasovna.Size of the crystal:25 mm.
Photo and specimen: Filip Kopecký.
Copyright: © Filip Kopecky      Photo ID: 245155     Uploaded by: Filip Kopecký   View Count: 694   Approval status: Public galleries    Type: Photo - 973 x 596 pixels (0.6 Mpix)

EHC-R7ECarminite : PbFe3+2(AsO4)2(OH)2, Beudantite : PbFe3(AsO4)(SO4)(OH)6, Goethite : α-Fe3+O(OH), Cerussite : PbCO3

Multiple photos available
Slipfontein, Brits, Western Bushveld Complex, Bojanala Platinum District, North West Province, South Africa

A ridiculously colorful specimen, consisting of brilliant, transparent crystals of bright red Carminite, associated with yellow Beudantite, iridescent blue botryoidal Goethite, and a single thin white Cerussite crystal. This specimen was challenging to photograph, primarily for two reasons. First, there is a wide range between the brightest and darkest elements of the image, and second, the colors of this piece are both highly contrasting and highly saturated. To offset the reflectivity of the specimen, this photograph was taken under reduced light, and that light was further controlled with two layers of diffusing media. Even with this technique, the difference in image brightness between the brighter elements, such as the Cerussite crystal, and the darker elements of the image, posed a challenge to both the camera and the image processing software. The field of view is 5 mm. Ex: Hans Börner collection. Robert Meyer specimen and photograph.

Mindat.org Photo of the Day - 6th Aug 2009
Copyright: © 2008 ROM      Photo ID: 188174     Uploaded by: Robert Meyer   View Count: 4735   Approval status: Public galleries    Type: Photo - 1024 x 786 pixels (0.8 Mpix)

RC5-97WCacoxenite : Fe3+24Al(PO4)17O6(OH)12·17H2O

El Horcajo Mine, Minas de Horcajo, Ciudad Real, Castile-La Mancha, Spain

Picture width 3 mm. Collection and photograph Christian Rewitzer


Mindat.org Photo of the Day - 10th Jul 2007
Copyright: © Christian Rewitzer      Photo ID: 94189     Uploaded by: Christian Rewitzer   View Count: 4570   Approval status: Public galleries    Type: Photo - 1200 x 915 pixels (1.1 Mpix)

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