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⇱ Fred Kruijen's Photo Gallery

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RWD-JAXZircon Zr(SiO4) , Cristobalite SiO2

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 1 mm

Tiny white Zircon twigs, grown on or through a Cristobalite ball. From the Wannenköpfe near Ochtendung. Photo/collection: Fred Kruijen.
Copyright: © Fred Kruijen      Photo ID: 1494335     Uploaded by: Fred Kruijen   Upload date: 2025-05-15   View Count: 80   Approval status: Public galleries    Type: Photo - 1874 x 2088 pixels (3.9 Mpix)

4LQ-NUJPhlogopite KMg3(AlSi3O10)(OH)2

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 4 mm

A Phlogopite aggregate from In den Dellen quarries, Niedermendig. Collection: Willi Schüller.
Photo: Fred Kruijen.
Photo ID: 1494320     Uploaded by: Fred Kruijen   Upload date: 2025-05-15   View Count: 67   Approval status: Public galleries    Type: Photo - 3004 x 2274 pixels (6.8 Mpix)

8EM-M62Hematite Fe2O3 , Cristobalite SiO2

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 0.8 mm

Cristobalite "coating" on Hematite, from the Wannenköpfe near Ochtendung.
Photo/collection: Fred Kruijen.
Copyright: © Fred Kruijen      Photo ID: 1476118     Uploaded by: Fred Kruijen   Upload date: 2025-04-15   View Count: 97   Approval status: Public galleries    Type: Photo - 4116 x 2668 pixels (11.0 Mpix)

4XH-HM2Zircon Zr(SiO4)

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 3.0 mm

A nice Zircon group from In den Dellen quarries, Niedermendig. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen
Copyright: © Fred Kruijen      Photo ID: 1461408     Uploaded by: Fred Kruijen   Upload date: 2025-03-14   View Count: 75   Approval status: Public galleries    Type: Photo - 3127 x 2331 pixels (7.3 Mpix)

TT6-KV9Phlogopite KMg3(AlSi3O10)(OH)2

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 5 mm

A Phlogopite aggregate from In den Dellen quarries, Niedermendig. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen
Copyright: © Fred Kruijen      Photo ID: 1461402     Uploaded by: Fred Kruijen   Upload date: 2025-03-14   View Count: 68   Approval status: Public galleries    Type: Photo - 3133 x 2334 pixels (7.3 Mpix)

0FD-RGTHaüyne Na3Ca(Si3Al3)O12(SO4)

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 4 mm

Haüyne, from In den Dellen, Niedermendig. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen
Copyright: © Fred Kruijen      Photo ID: 1461387     Uploaded by: Fred Kruijen   Upload date: 2025-03-14   View Count: 73   Approval status: Public galleries    Type: Photo - 3084 x 2305 pixels (7.1 Mpix)

C5Q-WYUHaüyne Na3Ca(Si3Al3)O12(SO4)

In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 6 mm

Beautiful blue Haüyne crystals, from In den Dellen, Niedermendig. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen
Copyright: © Fred Kruijen      Photo ID: 1461375     Uploaded by: Fred Kruijen   Upload date: 2025-03-14   View Count: 56   Approval status: Public galleries    Type: Photo - 3117 x 2331 pixels (7.3 Mpix)

1CT-YQJJeremejevite Al6(BO3)5(F,OH)3

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 1 mm

Another form of Jeremejevite, 'sea-mine' model, from the Wannenköpfe near Ochtendung. Photo/collection: Fred Kruijen.
Copyright: © Fred Kruijen      Photo ID: 1460802     Uploaded by: Fred Kruijen   Upload date: 2025-03-13   View Count: 110   Approval status: Public galleries    Type: Photo - 3015 x 2229 pixels (6.7 Mpix)

MAM-KPLCorundum Al2O3 , Hematite Fe2O3 , Sanidine K(AlSi3O8)

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 2.5 mm

Corundum plates growing around Hematite, surrounded bij Sanidine, from the Wannenköpfe near Ochtendung.
Photo/collection: Fred Kruijen.
Copyright: © Fred Kruijen      Photo ID: 1457740     Uploaded by: Fred Kruijen   Upload date: 2025-03-08   View Count: 72   Approval status: Public galleries    Type: Photo - 4484 x 3368 pixels (15.1 Mpix)

1JK-04YTopaz Al2(SiO4)(F,OH)2

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany

Field of View: 2.0 mm

A Topaz "paintbrush" from the Wannenköpfe near Ochtendung. Photo/collection: Fred Kruijen.
Copyright: © Fred Kruijen      Photo ID: 1456299     Uploaded by: Fred Kruijen   Upload date: 2025-03-05   View Count: 63   Approval status: Public galleries    Type: Photo - 3061 x 2310 pixels (7.1 Mpix)
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