Protect it from scratches, sharp blows, household chemicals, and extreme temperature changes. Do not use a home ultrasonic machine. Emeralds are found mainly in Colombia, Brazil, Zambia and Zimbabwe. A pearl is the product of an oyster's defense mechanism. This forms the exquisite gemstone known as pearl.
Pearls come in a wide range of colors.
They should be relatively free from skin blemishes. The more perfectly round the shape the better. The larger the pearl, the greater the value. Pearls have been recognized as the emblem of modesty, chastity and purity. They have come to symbolize a happy marriage.