Blue chalcedony slab (Brazil) 2.5 kg displayed on a brass base
MINERAL
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Crystallized Bismuth City (1.1kg) in observation box with magnifier
Slice of amethyst geode bordered with agate, black base
Prism of gabbro from Madagascar (2.1kg) on brass base
Septaria prism 515Gr. (Madagascar), black base
Fluorite -Marienschacht Mine , Wölsendorf, , Germany-
Septaria prism (Madagascar), black base
Charoite flame on black base -siberia-
Cubic Pyrite in slate 4kg- St Créac (France) on black base
Crystalized branch with gypsum under glass (Wahpool lake, Australia)