Crystallized Bismuth City (1.1kg) in observation box with magnifier
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Slice of amethyst geode bordered with agate, black base
Serie of 6 agate slices on brass cubic stand
Septaria prism 515Gr. (Madagascar), black base
Septaria prism (Madagascar), black base
Fluorite -Marienschacht Mine , Wölsendorf, , Germany-
Crystalized branch with gypsum under glass (Wahpool lake, Australia)
natural pineapple crystal from Madagascar