Counter weight machinery to open a geode
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Half-geode of septaria (0.9 kg) from Poland, in a vertical circular stand
Utah Septaria Slice - Muddy Creek - USA, in brass adjustable round stand
Pipe geode of ametyst -30kg- Madagascar
Slice of red jasper from Brazil, on black base
Serie of 12 Agate slices on black cubic stands
Brazilian agate slice (1.1kg) on brass base
Amethyst from Uruguay (600g) in 3D frame
Golden labradorite from Madagascar (3.5kg)brass base
Prism of gabbro from Madagascar (2.1kg) on brass base