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
Brazilian agate slice (1.1kg) on brass base
Polished labradorite from Madagascar (3.7kg)
Menilite Opal from Agramon (Spain) in matrix
Golden labradorite from Madagascar (3.5kg)brass base
