Amethyst from Uruguay (925g) on a black base.
MINERAL
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3.1kg Manganocalcite (Huanzala Mine), displayed in a UV lamp cage
Gypsum crystal from France, 57cm on brass base
Natural Morion black quartz from the Urals, Russia 820g.- on a black base
Slice of amethyst geode bordered with agate, black base
Crystalized branch with gypsum under glass (Wahpool lake, Australia)