Pearls are hard and have smooth surface as they are made from calcium carbonate.

Pearls come in various shapes and colors.

They are usually white with a creamy or pinkish tinge.

Black Tahitian pearls are among rare ones.

There are natural pearls like – basara and Venezuela, Cultured pearls like-tahitian , akoya, south sea and freshwater.

Pearl necklaces were a treasure in fact the most expensive jewelry in nobel times.

Larger pearls with unusual shape are popular with creative jewelry designers.