Amethyst geode Found in Brazil, thin-walled cavity, completely covered with amethyst crystals of up to 3 cm, solidified, dimensions approx. 32 x 46 x 40 cm, G 19.9 kg.

Set of 8 pieces (archaeology): - Probably piece of petrified wood. H. 10.5 cm. - Small biface flint. H. 10 cm - Biface flint with label marked "Ceriller vallée Yonne". H. 9.5 cm. - Mousterian flint with old label "Oudry Saône-et-Loire". H. 8 cm Note: Ourdy is a site renowned for its Mousterian flints (Middle Paleolithic, around 300,000-40,000 B.C.). Ref : les silex moustériens d'Oudry en charollais, Jean Jacques Thomasset, 1923. - Deer antler sheath hollowed out for an axe. Probably Late Neolithic 15 x 10 cm - Tooth with roots H. 16 cm - Fish fossil in its gangue. Probably Brazil, Devonian (-419 to -359 Ma) 17 x 15 cm (traces of restoration) - Ammonite. Mesozoic (-252 to -66 Ma) Height: 13 cm.