Gilbert Geisberger's Photo Gallery
XJG-UC4Sylvite KCl
Riedel Potash Works, Hänigsen, Uetze, Hanover Region, Lower Saxony, GermanyField of View: 20 mm
CXA-0CUHarmotome Ba2(Si12Al4)O32·12H2O
Silberberg Mine, Bodenmais, Regen District, Lower Bavaria, Bavaria, GermanyField of View: 2.0 mm
09L-GK7Harmotome Ba2(Si12Al4)O32·12H2O
Silberberg Mine, Bodenmais, Regen District, Lower Bavaria, Bavaria, GermanyField of View: 1.5 mm
partially with Limonite