Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.
Read MoreA treatise on the design, display, care and repair of fine gemstones.
Read MoreLearn about pearl's durability and how to care for your pearl jewellery.
Read MoreThis 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.
Read MoreSeveral pearl-in-chicken cleaning experiments are carried out to test the validity of recipes from an ancient Egyptian source.
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