An ancient Roman cup made of fluorite. Such cups were extremely valuable during Roman times. Aside from their outstanding beauty they were known for giving a specific taste to the wine. Pliny the Elder describes one noble who enjoyed his fluorite cup so much that he liked to not only drink from it, but to chew on its edge afterwards. - The Romans loved their poisonous minerals. Over time, fluorite can cause skeletal fluorosis.
Roman inscribed glass circus cup, 3rd century A.D. This glass shows a battle between a Retarius called Pulcher and a Secutor called Auriga, it also shows a battle between a Venator and a leopard and two wrestlers called Hercules and Antaios.