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