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
Aragonite crusted pipe from Karlovy Vary
Serie of 12 Agate slices on black cubic stands
Gypsum crystal from France, 57cm on brass base
Fluorite -Marienschacht Mine , Wölsendorf, , Germany-
Set of 3 Menilite opals from spain on mini-cube