Counter weight machinery to open a geode
MINERAL
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Pink quartz obelisk (9.8kg) on brass base, from Madagascar
Prism of gabbro from Madagascar (6.2kg) on brass base
Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Crystallized fossil trunk -8.2kg, ZWICKAU (Germany)
Eroded Agate 640g on brass base - Poland (Wistoka river)
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-