Slice of amethyst geode bordered with agate, black base
MINERAL
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Pink quartz obelisk (9.8kg) on brass base, from Madagascar
Prism of gabbro from Madagascar (6.2kg) on brass base
Labradorite slab (Madagascar)2.8 kg – displayed on a black base
Gypsum from Caresse -France- on brass base
Boulder Opal (two parts) of 535g on brass base -Australia-
Crystalized branch with gypsum under glass (Wahpool lake, Australia)
