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Counter weight machinery to open a geode
Geode of agate on round brass base. Mexico
Round septaria from Madagascar on black base
Pipe geode of ametyst -30kg- Madagascar
Aragonite crusted pipe from Karlovy Vary
Polished labradorite from Madagascar (3.7kg)
Menilite Opal from Agramon (Spain) in matrix
Sandcalcite aggregate from Hungary, under glass