Counter weight machinery to open a geode
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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
Aragonite crusted pipe from Karlovy Vary
Aragonite crusted pipe from Karlovy Vary
Fluorite -Marienschacht Mine , Wölsendorf, , Germany-
Frame of 3 Navajun Pyrite cubes on black mirror
Set of 3 Menilite opals from spain on mini-cube