Natural pearls which are from shellfish caught in the wild and cultured pearls which are farm raised.
Real black pearl in shell.
The colors are completely natural.
Instead of waiting for an irritant like a piece of sand or small rock to enter the shell they are seeded by hand and in large quantities using a bit of shell from a sacrificed mollusk.
A cultured pearl is a real pearl grown in a shellfish or mollusk.
Position the pearl about 24 inches above a glass surface such as a mirror or coffee table and let it drop.
A surprisingly effective fix for knowing if pearls are real is to drop a pearl onto glass and measure the bounce.
This black lipped oyster shell with its lustrous colouring is world renowned.
Designers use the black mother of pearl shells for interior decoration in the form of tiles and paneling also in the fashion industry for high end jewellery or pearl shell buttons.
A real pearl should bounce about 13 or 14 inches high whereas an imitation pearl s bounce will typically be much lower.
Tahitian pearls require no treatments to attain their dark iridescence.
Note that real pearls come in two varieties.
Although often referred to as black pearls their colors range from gray to green and even aubergine.
Some variations in color nacre luster and shape may exist between cultured and natural pearls.