Amethyst from Uruguay (925g) on a black base.
MINERAL
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Eroded Agate 640g on brass base - Poland (Wistoka river)
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-
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)