Fulgurite from the Mauritanian Desert, under a glass dome, on a brass base
MINERAL
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Open Amethyst Geode from Brazil (11Kg), black base
Brazilian agate geode, on sliding machine
Purple Botryoidal chalcedony from Sulawesi
Gypsum crystal from France, 57cm on brass base
Agate slice from Brazil (1.4kg.) on black base
Metallic galena - Khrushchev Mine (Bulgaria) 6.6 Kg
Cubic Pyrite in slate - St Créac (France)
Polished ketonite (665g), black base