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Amethyst Geode (1.2kg) with Calcite Crystals - Brazil- on sliding machine
Labradorite slab (Madagascar)3.5 kg – displayed on a black base
Serie of 6 agate slices on brass cubic stand
Geode of agate on round brass base. Mexico
Serie of 7 golden agate slices on brass cubic stand
Purple Botryoidal chalcedony from Sulawesi
Sandcalcite aggregate from Hungary, under glass