Natural Pearls
Natural Pearls -
Pearls that are created by Mother Nature (and the oyster, of course) are called "Natural Pearls." There is no (intentional) human...
An Unusual Pearl: Coated or Not?
Roskin Gem News ReportGary Roskin
Conch Pearl: Coated, or not?
Identification of pearl coatings can be a bit tricky, especially if the coating has been performed...