Counter weight machinery to open a geode
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Serie of 7 golden agate slices on brass cubic stand
Pipe geode of ametyst -30kg- Madagascar
Brazilian agate slice (1.1kg) on brass base
Purple Botryoidal chalcedony from Sulawesi
Golden labradorite from Madagascar (3.5kg)brass base
Lapis-lazuli 83kg, on black metal base