 Complete the following phrase:  During the French Revolution, the Chasse and the vessels holding the relics were taken apart and melted down for their jewels and precious metals. The fragment of the cross was transferred first in 1793 to a collection of antiquities, then given to the Bishop of Paris. A new reliquary of gold and crystal was made for the crown of thorns. Since the Concordat of 1801, it was displayed in the treasury of the cathedral of Notre Dame de Paris, but it was saved from the 