Slice of malachite in brass adjustable round stand
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Pipe geode of ametyst -30kg- Madagascar
Crystal ball, spinning brass stand
Counter weight machinery to open a geode
Green Fuchsite from Brazil, 12 kg with a black base
Serie of 7 golden Agate slices on black cubic stands
Agate slice in brass adjustable round stand
Polished labradorite from Madagascar (3.7kg), brass base