Amalfi Cathedral is a 9th-century Roman Catholic structure in the Piazza del Duomo, Amalfi, Italy. It is dedicated to the Apostle Saint Andrew. Predominantly of Arab-Norman Romanesque architectural style, it has been remodelled several times, adding Romanesque, Byzantine, Gothic, and Baroque elements. The cathedral includes the adjoining 9th-century Basilica of the Crucifix. Leading from the basilica are steps into the Crypt of St. Andrew.
A wooden 13th-century Crucifix hangs in the liturgical area. Another crucifix, made of mother-of-pearl, was brought from the Holy Land and is located to the right of the back door. The High Altar in the central nave is formed from the sarcophagus of the Archbishop Pietro Capuano (died in 1214). Above the altar is a painting by Andrea dell'Asta of The Martyrdom of St. Andrew.
The front facade was rebuilt in 1891 after the original one collapsed. It is of striped marble and stone with open arches that have lace detailing not commonly found in Italian sacred architecture while the tiled cupola is quite common amongst churches of the area. The tympanum's mosaics portray “The triumph of Christ” in a work created by Domenico Morelli and whose original designs are retained in the Town Hall.
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