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
Pipe geode of ametyst -30kg- Madagascar
Serie of 12 Agate slices on black cubic stands
Purple Botryoidal chalcedony from Sulawesi
Amethyst from Uruguay (600g) in 3D frame
Counter weight machinery to open a geode
Prism of gabbro from Madagascar (2.1kg) on brass base