Counter weight machinery to open a geode
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Selenite slab, Mexico –12.8KG. mounted on a brass base
1.8kg Uruguay glossy Agate geode, on brass base
Pipe geode of ametyst -30kg- Madagascar
Prism of gabbro from Madagascar (2.1kg) on brass base
Serie of 12 Agate slices on black cubic stands
Polished labradorite from Madagascar (3.7kg)
Purple Botryoidal chalcedony from Sulawesi
Menilite Opal from Agramon (Spain) in matrix