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Markus Gerstmann's Photo Gallery

AGE-2HAClinoatacamite Cu2(OH)3Cl

05099530014977594259932.jpg
North Coast, Helgoland, Schleswig-Holstein, Germany

Field of View: 300 μm

SEM-Photo of pseudooctahedral, twinned clinoatacamite crystals (SXRD-analysed by Uwe Kolitsch). Only one specimen found! Check the white bar for scale.
Copyright: © Markus Gerstmann      Photo ID: 634375     Uploaded by: Markus Gerstmann   View Count: 36   Approval status: User gallery only    Type: Photo - 1280 x 960 pixels (1.2 Mpix)

MRX-00YRanciéite (Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O

02074170014961308101664.jpg
North Coast, Helgoland, Schleswig-Holstein, Germany

Field of View: 300 μm

SEM-Photo of typical thin rancieite. Check white bar for scale.
Copyright: © Markus Gerstmann      Photo ID: 634209     Uploaded by: Markus Gerstmann   View Count: 270   Approval status: Public galleries    Type: Photo - 1280 x 960 pixels (1.2 Mpix)

RCP-CUMAnalcime Na(AlSi2O6)·H2O

05962580014950381607927.jpg
North Coast, Helgoland, Schleswig-Holstein, Germany

Field of View: 360 μm

SEM-Photo of a well formed analcime crystal which can be found in small linestone vugs. Very similar to calcite, exept the typical form. Check the white bar for scale.
Copyright: © Markus Gerstmann      Photo ID: 634202     Uploaded by: Markus Gerstmann   View Count: 178   Approval status: Public galleries    Type: Photo - 1280 x 960 pixels (1.2 Mpix)

20M-PK0Tangeite CaCu(VO4)(OH) , Chrysocolla Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O, x < 1

07484900014962528646947.jpg
Southwest Coast, Helgoland, Schleswig-Holstein, Germany

Field of View: 400 μm

SEM-Photo of Tangeite on Chrysokolla. Only one specimen found. For scale check the white bar in the image.
Copyright: © Markus Gerstmann      Photo ID: 634199     Uploaded by: Markus Gerstmann   View Count: 245   Approval status: Public galleries    Type: Photo - 1600 x 1200 pixels (1.9 Mpix)
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