Counter weight machinery to open a geode
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Brazil extra amethyst (5.3kg), on black base
Slice of malachite in brass adjustable round stand
Pipe geode of ametyst -30kg- Madagascar
Serie of 7 golden agate slices on brass cubic stand
Gypsum crystal from France, 57cm on brass base
Green Fuchsite from Brazil, 12 kg with a black base
Polished labradorite from Madagascar (3.7kg), brass base