Half-geode of septaria (0.9 kg) from Poland, in a vertical circular stand
MINERAL
Active filters
Utah Septaria Slice - Muddy Creek - USA, in brass adjustable round stand
Serie of 12 Agate slices on black cubic stands
Tree branch crystalized by Selenite. Australia
Purple Botryoidal chalcedony from Sulawesi
Amethyst from Uruguay (600g) in 3D frame
Prism of gabbro from Madagascar (2.1kg) on brass base