The pearl: what features of the pearl culture?
The pearl is a gem organic in that it is formed when the
oyster covers a foreign mother of pearl.
Today, pearls are most often cultivated by man. We introduce
a pearl bead inside the oyster that one plunges into the sea oysters are
harvested when to secrete layers of nacre around the bead.
The quality of pearls is based on their "East", i.e.
of the iris due to the dispersion of light through the layers of nacre.
Luster, which is their ability to give a shine by the
reflection of the light through these layers, and the vivacity of their surface
are important factors of appreciation.
The beautiful pearls have a smooth and even. Other factors
that increase or decrease the value are the regularity of the shape and size.
The pink pearls are the most popular.
Producing countries pearls
Cultured pearls come mainly from Japan
The larger beads formed by oysters of larger size, are found
in warmer waters. These "pearls of the South Pacific" and the
"black pearls from Tahiti ." Pearls
'freshwater' are grown in shellfish living in fresh water. China
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