Scoria quarry, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
A single crystal of Aragonite, f.o.v. is 4,5 mm and the picture is stacked of 14 frames. An own finding from 2006.
© A. Bleeker
A 2006 finding with a f.o.v. of 2,5 mm and stacked of 13 frames
A beautiful little aragonite star which I have found in december 2006, just a week before Christmas, f.o.v. 2,25 mm.
A very nice group of Aragonite needles with a f.o.v. of 2,5 mm and stacked of 15 frames A 2006 finding.
A very tiny little group of Aragonite needles which I have found in december 2006, f.o.v. is 1 mm and the picture is stacked of 15 frames.
Hemispheres of Magnesite in small vugs. Collected by Bernd Ternes.
© Volker Betz (2014)
yellowish hemispheres of magnesite composed of small rhombohedrons in a fissure.
© Volker Betz (2021)
A sphere of magnesite composed of many very small rhombohederons in a fissure of basaltic matrix.
© Volker Betz (2022)
Basalt quarry on Wingertsberg Mountain, in the background pumice quarries in the tephra of Laach-lake-volcano, 2005
© Christof Schäfer