Counter weight machinery to open a geode
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Geode of agate on round brass base. Mexico
Pipe geode of ametyst -30kg- Madagascar
Red jasper slab with pyrite of Norway (4kg)
Purple Botryoidal chalcedony from Sulawesi
Agate slice in brass adjustable round stand
Madagascar green opa 925Gr.l, brass base
Sandcalcite aggregate from Hungary, under glass