Counter weight machinery to open a geode
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Heart of septaria with opening (Madagascar) 8.7 kg, black base
Open Amethyst Geode from Brazil (5Kg), black base
Geode of agate on round brass base. Mexico
Pipe geode of ametyst -30kg- Madagascar
Agate slice from Brazil (1kg) on brass stand
Madagascar green opa 925Gr.l, brass base
Grenn Fuchsite from Brazil on black base
Tree branch crystalized by Selenite. Australia
Sandcalcite aggregate from Hungary, under glass