Blue chalcedony slab (Brazil) 2.5 kg displayed on a brass base
MINERAL
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Natural Sulfur from Boliviaon black stand
Marcassite covering Baryte, Lubin mine- Poland
Slice of amethyst geode bordered with agate, black base
Prism of gabbro from Madagascar (2.1kg) on brass base
Charoite flame on black base -siberia-
Purple Anhydrite of Madagascar (1.9kg) on black base
Cubic Pyrite in slate 4kg- St Créac (France) on black base
Crystalized branch with gypsum under glass (Wahpool lake, Australia)