Care of Pearls
Maintenance method Pearls are among the most delicate gemstones. Calcium carbonate, the main component of pearls, is weak against acid, heat, and w...
Read moreMaintenance method Pearls are among the most delicate gemstones. Calcium carbonate, the main component of pearls, is weak against acid, heat, and w...
Read morepearl type Akoya pearls Most of the pearls produced in Japan are Akoya pearls, and the main production prefectures are Nagasaki, Ehime, and Mie. C...
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