Talk:Pearl Dragon/@comment-142.229.98.78-20120601220129/@comment-142.229.98.78-20120601221826

From wikipedia:

A few species produce pearls that can be of interest as gemstones. These species include the bailer shell Melo, the giant clam Tridacna, various scallop species, Pen shells Pinna, and the Haliotis iris species of abalone.