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Crystallized calcite specimen (Trepça, Kosovo) – 1.5 kgDisplayed under a round glass dome
Serie of 6 agate slices on brass cubic stand
White aragonite (3.4kg) in round globe with an industrial base
Purple Botryoidal chalcedony from Sulawesi
Agate slice in brass adjustable round stand
Polished ketonite (665g), black base