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Half-geode of septaria (0.9 kg) from Poland, in a vertical circular stand
Amethyst from Uruguay (600g) in 3D frame
Utah Septaria Slice - Muddy Creek - USA, in brass adjustable round stand
Geode of agate on round brass base. Mexico
Tree branch crystalized by Selenite. Australia
Agate slice in brass adjustable round stand
Sandcalcite aggregate from Hungary, under glass