Counter weight machinery to open a geode
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Labradorite slab (Madagascar)2.8 kg – displayed on a black base
Pipe geode of ametyst -30kg- Madagascar
Serie of 12 Agate slices on black cubic stands
Brazilian agate slice (1.1kg) on brass base
Golden labradorite from Madagascar (3.5kg)brass base
Prism of gabbro from Madagascar (2.1kg) on brass base