mechanism. When a foreign irritant is introduced
either by man (cultured) or naturally, the oyster
immediately surrounds it with layers of a
substance called nacre. 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 higher the luster , the more
valuable the specimen. The larger the pearl, the
greater the value.
Pearl is the "official" birthstone of the month of
June. It is also the accepted anniversary
gemstone for the 3rd and 30th years of marriage.
Besides the popular round shape, there are
stylish mabe (large hemispherical cultured
pearls), fresh water (elongated in interesting
shapes and colors), and South Sea (large
cultured pearls 10mm and up from Australia's
and Indonesia's waters), to name a few.
They have been recognized as the emblem of
modesty, chastity, and purity. They have come
to symbolize a happy marriage.
Different shades of colors may be achieved
through bleaching, dyeing, chemicals combined
with heat, or irradiation.
Avoid household chemicals, cosmetics, hair
sprays and perfumes. Don't use ultrasonic
cleaners. Wash with mild soap and water and
store in a protective chamois pouch or tissue.