Amethyst from Uruguay (925g) on a black base.
MINERAL
Prism of gabbro from Madagascar (5.1kg) on brass base
Amazonite slab – Madagascar – 785g. Displayed on a black base
Serie of 6 agate slices on brass cubic stand
Gypsum from France, on black base (1.1kg)
Natural Morion black quartz from the Urals, Russia 820g.- on a black base