Prism of gabbro from Madagascar (2.7kg) on brass base
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Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Serie of 6 agate slices on brass cubic stand
Gypsum crystal from France, 57cm on brass base
Counter weight machinery to open a geode
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-
Eroded Agate 640g on brass base - Poland (Wistoka river)