A comprehensive study of pearls that traces historical and cultural uses and symbolism, explains biological origin and internal structure, and surveys global sources and methods of capture and cultivation. It details pearl-fishing operations, pearl-culture techniques, commercial valuation, and methods for treatment and care, and describes artistic and decorative applications and famous specimens and collections. The book also discusses mystical and medicinal beliefs and archaeological finds associated with pearls, and is supported by technical illustrations, regional case studies, and practical guidance for collectors, merchants, and enthusiasts.