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Martin Stevko's Photo Gallery

RF1-GR0Malachite Cu2(CO3)(OH)2 , Goethite α-Fe3+O(OH)

04108550015792589542404.jpg
Hnilčík, Spišská Nová Ves District, Košice Region, Slovakia

Field of View: 23 mm

Green radial aggregate of malachite resting on goethite. Collected by Peter Varga in Ján adit from the abandoned old stope located on the western section of the 5th vein in September of 2019. Photographed by Pavel Škácha. Martin Števko collection.
Copyright: © Martin Števko      Photo ID: 1024584     Uploaded by: Martin Stevko   View Count: 32   Approval status: Public galleries    Type: Photo - 1772 x 1181 pixels (2.1 Mpix)

XVD-YLFStrontianite SrCO3 , Quartz SiO2

02833350015773587237612.jpg
Dúbrava, Liptovský Mikuláš District, Žilina Region, Slovakia

Field of View: 12 mm

White crystalline aggregates of strontianite resting on quartz matrix. Strontianite was confirmed by PXRD and EMPA-WDS. Self collected in October of 2009 at the Ľudovít adit, Dimitrij vein. Photographed by Pavel Škácha. Martin Števko collection.
Copyright: © Martin Števko      Photo ID: 1020411     Uploaded by: Martin Stevko   View Count: 40   Approval status: Public galleries    Type: Photo - 1772 x 1181 pixels (2.1 Mpix)

Dúbrava ore occurrence

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Dúbrava ore occurrence, Ochtiná, Rožňava Co., Košice Region, Slovakia

Another trench and stope at the Dúbrava ore occurrence. Photographed by Martin Števko in July of 2019.
Copyright: © Martin Števko      Photo ID: 1019427     Uploaded by: Martin Stevko   View Count: 41   Approval status: Public galleries    Type: Photo - 4608 x 3456 pixels (15.9 Mpix)

Dúbrava ore occurrence

02870310015768264671919.jpg
Dúbrava ore occurrence, Ochtiná, Rožňava Co., Košice Region, Slovakia

The main stope with mined out vein with base-metal mineralization at the Dúbrava ore occurrence. Photographed by Martin Števko in July of 2019.
Copyright: © Martin Števko      Photo ID: 1019424     Uploaded by: Martin Stevko   View Count: 32   Approval status: Public galleries    Type: Photo - 3456 x 4608 pixels (15.9 Mpix)

M00-RWNWulfenite Pb(MoO4) , Mimetite Pb5(AsO4)3Cl , Baryte BaSO4

00672250015767708752309.jpg
La Morita Mine, Ascención Municipality, Chihuahua, Mexico

Field of View: 30 cm

In-situ view of orange tabular crystals of wulfenite associated with yellow to pale green botryoidal mimetite resting on white baryte. Ramp 4-north, level 1352. Photographed by Martin Števko in February of 2019.
Copyright: © Martin Števko      Photo ID: 1019278     Uploaded by: Martin Stevko   View Count: 44   Approval status: Public galleries    Type: Photo - 4608 x 3456 pixels (15.9 Mpix)

Baryte vein

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La Morita Mine, Ascención Municipality, Chihuahua, Mexico

Baryte vein in the ceiling of the mine tunnel, ramp 4-north, level 1352. Photographed by Martin Števko in February of 2019.
Copyright: © Martin Števko      Photo ID: 1019269     Uploaded by: Martin Stevko   View Count: 29   Approval status: Public galleries    Type: Photo - 4608 x 3456 pixels (15.9 Mpix)

The main incline

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La Morita Mine, Ascención Municipality, Chihuahua, Mexico

The main incline at the La Morita mine. Photographed by Martin Števko in February 2019.
Copyright: © Martin Števko      Photo ID: 1019266     Uploaded by: Martin Stevko   View Count: 21   Approval status: Public galleries    Type: Photo - 4608 x 3456 pixels (15.9 Mpix)

La Morita Mine

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La Morita Mine, Ascención Municipality, Chihuahua, Mexico

The La Morita mine (Mina La Morita) site. Photographed by Martin Števko in February of 2019.
Copyright: © Martin Števko      Photo ID: 1019265     Uploaded by: Martin Stevko   View Count: 20   Approval status: Public galleries    Type: Photo - 4608 x 3456 pixels (15.9 Mpix)

8CA-942Scorodite Fe3+AsO4·2H2O

07017460015767511478058.jpg
Medená shaft, Čučma, Rožňava, Rožňava Co., Košice Region, Slovakia

Field of View: 3.3 mm

Very pale green groups of scorodite crystals. Scorodite was confirmed by PXRD and EMPA-WDS.
Self collected in July of 2011. Photographed by Pavel Škácha. Martin Števko collection.
Copyright: © Martin Števko      Photo ID: 1019236     Uploaded by: Martin Stevko   View Count: 31   Approval status: Public galleries    Type: Photo - 1772 x 1181 pixels (2.1 Mpix)

J08-LTUGoethite α-Fe3+O(OH)

05046470015767500943901.jpg
Mních deposit, Rožňavské Bystré, Rožňava Co., Košice Region, Slovakia

Dimensions: 110 mm x 70 mm x 70 mm

A very nice example of the black botryoidal goethite from the Mních deposit.
Self collected in March of 2008. Photographed by Albert Russ. Martin Števko collection.
Copyright: © Martin Števko      Photo ID: 1019235     Uploaded by: Martin Stevko   View Count: 159   Approval status: Public galleries    Type: Photo - 7200 x 4802 pixels (34.6 Mpix)
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