WASHINGTON — Muraqqa is the Persian term for a patched garment traditionally worn by Sufi mystics as a sign of poverty and humility. Yet it is also the word for a gilded and lavishly calligraphed album. This type of muraqqa, a luxury object from the Mughal empire in India, is a patchwork of imagery: portraits of emperors and courtiers, Eastern mystics and Western religious figures; examples of plant and animal life.