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
Serie of 12 Agate slices on black cubic stands
Amethyst from Uruguay (600g) in 3D frame
Agate slice in brass adjustable round stand
Prism of gabbro from Madagascar (2.1kg) on brass base
Lapis-lazuli 83kg, on black metal base