In Florence’s magic Treasury of the Grand Dukes you can see a countless number of these valuables. Numerous cups, made of rock crystal and finely cut, were accepted to be fit for changing shading if the beverage poured inside was poisonous. You will discover these sorts of things and significantly more, visiting Florence and the Treasury of the Grand Dukes. Some time ago known as the Silver Museum, the Treasury of the Grand Dukes is situated on the ground and mezzanine floors of Pitti Palace, and comprises the rooms that were at one time the summer apartments of the Medici family. Its walls, altogether frescoed on the occasion of the wedding between Grand Duke of Tuscany Ferdinando II de'Medici and Vittoria della Rovere (1637), are one of the first examples of quadrature and optical illusion perspective in Florence. It houses the precious "Medici's Treasure": semi-precious stone vases, rock crystals, ambers and ivories. The Museum also houses a significant assortment of gems acknowledged between the seventeenth and twentieth centuries and has an enormous section committed to contemporary gems.