Counter weight machinery to open a geode
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Geode of agate on round brass base. Mexico
Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Eroded Agate 640g on brass base - Poland (Wistoka river)
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-
Amazonite prism (Madagascar), black base