Slice of amethyst geode bordered with agate, black base
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Serie of 6 agate slices on brass cubic stand
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-
Eroded Agate 640g on brass base - Poland (Wistoka river)
Set of 3 Menilite opals (spain) on mini-cube
Amazonite prism (Madagascar), black base
Crystalized branch with gypsum under glass (Wahpool lake, Australia)