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
Tree branch crystalized by Selenite. Australia
Gypsum crystal from France, 57cm on brass base
Amethyst from Uruguay (600g) in 3D frame
Polished ketonite (665g), black base
Serie of 7 golden agate slices on brass cubic stand