Counter weight machinery to open a geode
MINERAL
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Pipe geode of ametyst -30kg- Madagascar
Prism of gabbro from Madagascar (2.1kg) on brass base
Purple Botryoidal chalcedony from Sulawesi
Polished labradorite from Madagascar (3.7kg)
Menilite Opal from Agramon (Spain) in matrix
Polished ketonite (665g), black base
