Counter weight machinery to open a geode
MINERAL
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Slice of malachite in brass adjustable round stand
Brazil extra amethyst (5.3kg), on black base
Pipe geode of ametyst -30kg- Madagascar
Purple Botryoidal chalcedony from Sulawesi
Green Fuchsite from Brazil, 12 kg with a black base
Frame of 3 Navajun Pyrite cubes on black mirror
Polished labradorite from Madagascar (3.7kg), brass base