Rosary of 18 Arhat Heads plus Corpulent Laughing Buddha

Rock Crystal Rosary of 18 Arhat Heads plus Corpulent Laughing Buddha, all done as pierced beads.
China, Ch'ing dynasty, 19th century AD.
Height of each of the 18 Arhat heads: 4.3 cm.
Height of Buddha: 5.7 cm.
CR-49