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5YM-1W9Allanite-(Ce) : CaCeAl2Fe2+(Si2O7)(SiO4)O(OH)

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Allanite from In den Dellen quarries, Laacher See. Image width: 3 mm. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen

Mindat.org Photo of the Day - 4th Oct 2007
Copyright: © Fred Kruijen      Photo ID: 113100     Uploaded by: Fred Kruijen   View Count: 1637   Approval status: Public galleries    Type: Photo - 1000 x 750 pixels (0.8 Mpix)

M87-WGWBritholite Group : (REE, Ca)5[(Si,P)O4]3X

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Britholite Group crystals. Image width: 1,5 mm. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen.


Copyright: © Fred Kruijen      Photo ID: 98252     Uploaded by: Fred Kruijen   View Count: 1508   Approval status: Public galleries    Type: Photo - 800 x 600 pixels (0.5 Mpix)

F7N-MRNHaüyne : Na3Ca(Si3Al3)O12(SO4), Sanidine : KAlSi3O8

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Largest Crystal Size: 2.0 mm

Excellent intensive blue and gemmy crystals of haüyne in a vug of a sanidinite ejection block.

Mindat.org Photo of the Day - 18th Oct 2014
Copyright: © Volker Betz      Photo ID: 602521     Uploaded by: Volker Betz   View Count: 2961   Approval status: Public galleries    Type: Photo - 1000 x 667 pixels (0.7 Mpix)

K7V-K6TCalciopyrochlore

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Octahedrons of dark cherry red Calciopyrochlore on a greenish black Magnetite, collected in 1985, field of view 12 mm, collection C.&H. Schäfer

Copyright: © C.H.M.-Schäfer      Photo ID: 43382     Uploaded by: Christof Schäfer   View Count: 1648   Approval status: Public galleries    Type: Photo - 700 x 549 pixels (0.4 Mpix)

G5P-KV5Nosean : Na8(Si6Al6)O24(SO4)·H2O

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Dodecahedrons modified by small faces of cube, associated by Sanidine and Biotite, largest crystal about 8 mm, collection C.&H. Schäfer
Copyright: © C.H.M.-Schäfer      Photo ID: 101098     Uploaded by: Christof Schäfer   View Count: 801   Approval status: Public galleries    Type: Photo - 680 x 536 pixels (0.4 Mpix)

GTP-G4DHaüyne : Na3Ca(Si3Al3)O12(SO4)

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Haüyne, from In den Dellen, Laacher See. Image width: 3 mm. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen
Copyright: © Fred Kruijen      Photo ID: 305011     Uploaded by: Fred Kruijen   View Count: 828   Approval status: Public galleries    Type: Photo - 1200 x 958 pixels (1.1 Mpix)

RMW-TK4Nosean : Na8(Si6Al6)O24(SO4)·H2O

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

2 mm long twinned Nosean crystal and it´s top view.
Copyright: © Volker Betz      Photo ID: 496064     Uploaded by: Volker Betz   View Count: 191   Approval status: Public galleries    Type: Photo - 1445 x 722 pixels (1.0 Mpix)

1RQ-5D5Haüyne : Na3Ca(Si3Al3)O12(SO4)

Multiple photos available
In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

2.5 mm. blue transparent, very fine Hauyne crystal. Collection of Val Collins
Photo ID: 500948     Uploaded by: Val Collins   View Count: 183   Approval status: Public galleries    Type: Photo - 490 x 500 pixels (0.2 Mpix)

AJ9-WWRHaüyne : Na3Ca(Si3Al3)O12(SO4)

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Field of view 1.5 mm. Haüyne crystal with rounded edges.
Copyright: © Volker Betz      Photo ID: 530791     Uploaded by: Volker Betz   View Count: 1232   Approval status: Public galleries    Type: Photo - 908 x 722 pixels (0.7 Mpix)

D73-KTMIlmenite : Fe2+Ti4+O3

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Dimensions: 40 mm x 20 mm x 20 mm
Field of View: 2.2 mm
Largest Crystal Size: 1 mm

Ilmenite and phlogopite on sanidine, field of view 2.2 mm, photo Gerhard Niceus.

Mindat.org Photo of the Day - 26th Apr 2014
Copyright: © C.H.M.-Schäfer      Photo ID: 593120     Uploaded by: Christof Schäfer   View Count: 969   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)
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