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Juraj Demian's Photo Gallery

WG7-LHWManganosite

Čierna Mine, Čučma, Rožňava, Rožňava Co., Košice Region, Slovakia

Field of View: 10 mm
Largest Crystal Size: 2 mm

Dark green manganosite grains with typical cleavage. Collected on dump in 2019. Most of the crystals on the sample are up to 1 mm. exceptionally 2 mm. Ref.: Števko M., Plecháček J., Venclík V., Malíková R., 2015: Hausmannit a manganosit z mangánového ložiska Čučma-Čierna baňa (Slovenská republika). Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 23, 1, 39-42 (in Slovak with English abstract).
Copyright: © Juraj Demian      Photo ID: 967067     Uploaded by: Juraj Demian   View Count: 12   Approval status: Public galleries    Type: Photo - 3669 x 2361 pixels (8.7 Mpix)

FR4-9Y1Manganosite

Čierna Mine, Čučma, Rožňava, Rožňava Co., Košice Region, Slovakia

Field of View: 10 mm
Largest Crystal Size: 2 mm

Dark green manganosite grains with typical cleavage. Collected on dump in 2019. Most of the crystals on the sample are up to 1 mm. exceptionally 2 mm. Ref.: Števko M., Plecháček J., Venclík V., Malíková R., 2015: Hausmannit a manganosit z mangánového ložiska Čučma-Čierna baňa (Slovenská republika). Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 23, 1, 39-42 (in Slovak with English abstract).
Copyright: © Juraj Demian      Photo ID: 967066     Uploaded by: Juraj Demian   View Count: 11   Approval status: Public galleries    Type: Photo - 3270 x 2471 pixels (8.1 Mpix)

C9K-KT3Pyrite

Helcmanovce, Gelnica Co., Košice Region, Slovakia

Largest Crystal Size: 7 mm

Pyrite crystals in matrix from old dump in Helcmanovce. Crystals are up to 7 mm.
Copyright: © Juraj Demian      Photo ID: 957303     Uploaded by: Juraj Demian   View Count: 13   Approval status: Public galleries    Type: Photo - 3812 x 2571 pixels (9.8 Mpix)

2WD-A8EErythrite

Dobšiná mining district, Rožňava Co., Košice Region, Slovakia

Field of View: 10 mm

Typical pink crust of Erythrite covering matrix from old dumps.
Copyright: © Juraj Demian      Photo ID: 957302     Uploaded by: Juraj Demian   View Count: 12   Approval status: Public galleries    Type: Photo - 3817 x 2436 pixels (9.3 Mpix)

5QJ-YQVPseudomalachite

Rainer mining field, Podlipa deposit, Ľubietová, Banská Bystrica Co., Banská Bystrica Region, Slovakia

Field of View: 30 mm
Largest Crystal Size: 20 mm

Nice 20 mm Pseudomalachite aggregate from Rainer dump.
Copyright: © Juraj Demian      Photo ID: 953718     Uploaded by: Juraj Demian   View Count: 47   Approval status: Public galleries    Type: Photo - 4036 x 2701 pixels (10.9 Mpix)

486-DPFLibethenite

Rainer mining field, Podlipa deposit, Ľubietová, Banská Bystrica Co., Banská Bystrica Region, Slovakia

Field of View: 6 mm
Largest Crystal Size: 1 mm

Dark green Libethenite crystal in vug from Rainer dump.
Copyright: © Juraj Demian      Photo ID: 953716     Uploaded by: Juraj Demian   View Count: 15   Approval status: Public galleries    Type: Photo - 2739 x 1876 pixels (5.1 Mpix)

DDR-GALQuartz (Var: Rock Crystal), Clinochlore

Multiple photos available
Klenovec, Rimavská Sobota Co., Banská Bystrica Region, Slovakia

Largest Crystal Size: 7 mm

Rock crystal from old inactive quarry with clinochlore var. ripidolite.
Copyright: © Juraj Demian      Photo ID: 948171     Uploaded by: Juraj Demian   View Count: 21   Approval status: Public galleries    Type: Photo - 3734 x 2493 pixels (9.3 Mpix)

LJC-7YYLazulite

Quartzite quarry, Žirany, Nitra Co., Nitra Region, Slovakia

Field of View: 30 mm

Blue Lazulite in quartzite rock from active quarry.
Copyright: © Juraj Demian      Photo ID: 948170     Uploaded by: Juraj Demian   View Count: 14   Approval status: Public galleries    Type: Photo - 3657 x 2286 pixels (8.4 Mpix)

9E1-A7RHematite

Quartzite quarry, Žirany, Nitra Co., Nitra Region, Slovakia

Field of View: 15 mm

Grey Hematite in quartzite rock from active quarry collected in 2019.
Copyright: © Juraj Demian      Photo ID: 948169     Uploaded by: Juraj Demian   View Count: 14   Approval status: Public galleries    Type: Photo - 3612 x 2242 pixels (8.1 Mpix)

LYH-D14Fayalite-Forsterite Series

Hajnáčka, Rimavská Sobota Co., Banská Bystrica Region, Slovakia

Field of View: 8 mm
Largest Crystal Size: 4 mm

4 mm Fayalite-Forsterite series crystal from basaltic rocks which surrounds Hajnacka village.
Copyright: © Juraj Demian      Photo ID: 940489     Uploaded by: Juraj Demian   View Count: 12   Approval status: Public galleries    Type: Photo - 3076 x 2411 pixels (7.4 Mpix)
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