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Counter weight machinery to open a geode
Pipe geode of ametyst -30kg- Madagascar
Prism of gabbro from Madagascar (2.1kg) on brass base
Crystal ball, spinning brass stand
Serie of 12 Agate slices on black cubic stands
Serie of 7 golden Agate slices on black cubic stands
Slice of bumble Bee jasper from West Java, black base
Purple Botryoidal chalcedony from Sulawesi