The History and Gemmology of Queen Conch "Pearls"
This article reviews the history of the conch "pearl," discusses S. gigas and its fisheries, and examines the gemmological properties and other characteristics of this attractive material.
Gemstone Durability: Design to Display
A treatise on the design, display, care and repair of fine gemstones.
Pearl Fashion Through the Ages
A history of pearls in jewellery and fashions through the ages.