Pearls of gem value could be found in the Persian Gulf, the Red Sea and, according to the author of the Periplus Maris Erythraei, in the vicinity of Muziris and in Sri Lanka.
Mutiara bernilai tinggi bisa ditemukan di Teluk Persia, Laut Merah dan, menurut penulis Periplus Maris Erythraei, di sekitar Muziris dan di Sri Lanka.