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Andreas Gerstenberg's Photo Gallery

7N8-N58Quartz (Var: Chalcedony) SiO2

01602950014950493003264.jpg
Agate quarry, Halsbach, Freiberg, Mittelsachsen, Saxony, Germany

Dimensions: 105 mm x 80 mm x 40 mm

Pale rose and white chalcedony. The specimen comes from the old Aachen University collection and was just labelled "Conradsdorf bei Freiberg in Sachsen". It shows the typical structure for Halsbach chalcedony (the so-called "Korallenstein"). Probably found in the mid 19th Century.
Copyright: © Andreas Gerstenberg      Photo ID: 689142     Uploaded by: Andreas Gerstenberg   View Count: 152   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

WVV-QJCCalcite CaCO3 , Baryte BaSO4 , Dolomite CaMg(CO3)2

09530140014952487804176.jpg
Wenzel Mine, Frohnbach valley, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany

Dimensions: 95 mm x 60 mm x 50 mm

Clear calcite crystals on dolomite/baryte matrix from Wenzel mine. Ex Berlin Natural History museum, probably from Selb coll. (about 1820).
Copyright: © Andreas Gerstenberg      Photo ID: 684656     Uploaded by: Andreas Gerstenberg   View Count: 234   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

6HU-38PErythrite Co3(AsO4)2·8H2O , Cobaltkoritnigite (Co,Zn)(HAsO4)·H2O

05622560014946359239767.jpg
Annaberg District, Saxony, Germany

Dimensions: 50 mm x 40 mm x 40 mm

Small erythrite crystals with minor purple cobaltkoritnigite from Annaberg. Very old sample, probably from Alte Galiläische Wirtschaft mine.
Copyright: © Andreas Gerstenberg      Photo ID: 684655     Uploaded by: Andreas Gerstenberg   View Count: 170   Approval status: Public galleries    Type: Photo - 1024 x 944 pixels (1.0 Mpix)

G5R-EYGScorodite Fe3+AsO4·2H2O , Pharmacosiderite KFe3+4(AsO4)3(OH)4·6-7H2O

06743270014946359238785.jpg
Tannenberg Mine, Mühlleithen, Klingenthal, Vogtlandkreis, Saxony, Germany

Dimensions: 85 mm x 60 mm x 40 mm

Rich specimen with mico scorodite and pharmacosiderite xls.
Copyright: © Andreas Gerstenberg      Photo ID: 684654     Uploaded by: Andreas Gerstenberg   View Count: 197   Approval status: Public galleries    Type: Photo - 1024 x 816 pixels (0.8 Mpix)

QTP-RN8Uranocircite Ba(UO2)2(PO4)2·10H2O

07880360014946359235446.jpg
Krunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany

Dimensions: 30 mm x 20 mm x 20 mm

Copyright: © Andreas Gerstenberg      Photo ID: 684653     Uploaded by: Andreas Gerstenberg   View Count: 132   Approval status: Public galleries    Type: Photo - 731 x 950 pixels (0.7 Mpix)

AHU-1UEQuartz SiO2

09160840014946359235579.jpg
Schneckenstein cliff, Kielberg, Klingenthal, Vogtlandkreis, Saxony, Germany

Dimensions: 85 mm x 85 mm x 80 mm

Freestanding smoky crystals, rather rare for the locality.
Copyright: © Andreas Gerstenberg      Photo ID: 682703     Uploaded by: Andreas Gerstenberg   View Count: 165   Approval status: Public galleries    Type: Photo - 812 x 900 pixels (0.7 Mpix)

L5R-DJ6Quartz (Var: Eisenkiesel) SiO2 , Hematite Fe2O3

00311150014946359245520.jpg
Diabasweg Quarry, Hut valley, Clausthal-Zellerfeld, Goslar, Lower Saxony, Germany

Dimensions: 65 mm x 54 mm x 39 mm

Copyright: © Andreas Gerstenberg      Photo ID: 682702     Uploaded by: Andreas Gerstenberg   View Count: 202   Approval status: Public galleries    Type: Photo - 900 x 825 pixels (0.7 Mpix)

TEF-YKRBaryte BaSO4

01435660014946359248269.jpg
Wolkenhügel Mine, Bad Lauterberg, Göttingen, Lower Saxony, Germany

Dimensions: 91 mm x 79 mm x 38 mm

Copyright: © Andreas Gerstenberg      Photo ID: 680269     Uploaded by: Andreas Gerstenberg   View Count: 138   Approval status: Public galleries    Type: Photo - 900 x 786 pixels (0.7 Mpix)

CPC-N0WBaryte BaSO4 , Fluorite CaF2

02533470014946359243218.jpg
Erika Mine, Säulnhof, Stulln, Schwandorf, Upper Palatinate, Bavaria, Germany

Dimensions: 60 mm x 50 mm x 40 mm

Copyright: © Andreas Gerstenberg      Photo ID: 680268     Uploaded by: Andreas Gerstenberg   View Count: 148   Approval status: Public galleries    Type: Photo - 818 x 900 pixels (0.7 Mpix)

C9L-8YNLithiophorite (Al,Li)MnO2(OH)2

03638970014946359244515.jpg
Pöhlberg, Königswalde, Erzgebirgskreis, Saxony, Germany

Field of View: 150 mm

Copyright: © Andreas Gerstenberg      Photo ID: 679551     Uploaded by: Andreas Gerstenberg   View Count: 181   Approval status: Public galleries    Type: Photo - 900 x 710 pixels (0.6 Mpix)
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