Half-geode of septaria (0.9 kg) from Poland, in a vertical circular stand
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Amethyst from Uruguay (600g) in 3D frame
Prism of gabbro from Madagascar (2.1kg) on brass base
Serie of 12 Agate slices on black cubic stands
Utah Septaria Slice - Muddy Creek - USA, in brass adjustable round stand
Cubic Pyrite on slate - St Créac (France)
Red jasper slab with pyrite of Norway (4kg)
Cubic Pyrite in slate 10kg - St Créac (France)
Crystalized branch with gypsum under glass (Wahpool lake, Australia)