Bad Sulzburg, Sulzburg, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
Quartz (amethyst), one side cut and polished Collection and photo: G. Franz Zöll
© G. Franz Zöll 03/2023
Schweizergrund, Sulzburg, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
stibnite. photo: 05-01-2015. own collection #0100
© Philip Bluemner
Collection and photo G.Franz Zöll
© G.Franz Zöll 2018
spherical amethyst quartz, one side honed Collection and photo G.Franz Zöll
amethyst quartz, one side honed Collection and photo G.Franz Zöll
amethyst quartz, one side honed Collection and photo: G.Franz Zöll
Collection and photo: G. Franz Zöll
© G. Franz Zöll 07/2015
Quartz (amethyst) with cream colored baryte, cut and polished. Collection and photo: G. Franz Zöll
© G. Franz Zöll 02/2023
Quartz (amethyst), cut and polished. Collection and photo: G. Franz Zöll.
© G. Franz Zöll 07/2023
© G. Franz Zöll 04/2023
Quartz (amethyst), one side cut and polished. Collection and photo: G. Franz Zöll.
© G. Franz Zöll 05/2022
© G. Franz Zöll 08/2022
Amethyst, cut and polished on one side Collection and photo: G. Franz Zöll
© G. Franz Zöll 09/2023