Slice of amethyst geode bordered with agate, black base
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Black Tourmaline from Brazil (8.2 kg), black base
Banded jasper from Madagascar - 18 kgBlack metal base
Serie of 6 agate slices on brass cubic stand
Gypsum crystal from France, 57cm on brass base
Amazonite prism (Madagascar), black base
Crystalized branch with gypsum under glass (Wahpool lake, Australia)