Ruby-zoizite polished ball, spinning brass stand
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Counter weight machinery to open a geode
Serie of 7 golden agate slices on brass cubic stand
Moroccan amber aragonite ball, on brass stand
Crystallized Bismuth City in a square glass box
Amethyst Sphere -Brazil- in spinning brass tand
White agate ball, spinning brass stand
Smoky quartz (1.5Kg) with recrystallization (Brazil), presented in a cage
Pipe geode of ametyst -30kg- Madagascar
Pair of two-tone lepidolite mica slices, from Brazil; black base
Golden Obsidian disc in spinning brass stand.