Counter weight machinery to open a geode
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Open rock crystal geode from Morocco on brass base
Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Malachite pebble (575g) from Congo, on black base
Agate slice from Brazil ( 560gr) on brass base
Menilite Opal from Agramon (Spain) in matrix
Pyrope garnet on chromium diopside (Norway), brass base
Black Tourmaline crystal with Hematite 1.1KGr on black base