Counter weight machinery to open a geode
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Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Serie of 6 agate slices on brass cubic stand
Serie of 7 golden Agate slices on black cubic stands
Eroded Agate 640g on brass base - Poland (Wistoka river)
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-