Nacre is still used as a background for many items such as furniture

Nacre iridescent substance called nacre, is inside of some mollusks. The word comes from Pearl naqqarah Arabic word means the case. It is used for jewelry, ornaments and jewelry from 3000 BC Tombs were in the pages of ancient Mesopotamia, the Middle East, have found the elements of mother-contained. In some ancient cultures, it was more valuable than pearls. Until the 19 th century would reject a Japanese shell divers pearls in oysters, they were found, and hold the ball.

Ancient gem is also used for various blister pearl decorative objects and jewelry from China. Chinese powder and used in prescription drugs and lower blood pressure as a treatment for dizziness and heart medicine. Local populations of North and South America, as beads for jewelry and medicine.

In the Middle Ages in Europe, the main source was the Pearl of the Gulf. In the 16 century, this source is depleted due to high demand. New sources were discovered in the Pacific Ocean. Areas in the Pacific, as the Solomon Islands Tahiti and then feeding pearl producing mollusks, looted by the end of 1880, when France took control of Tahiti and limited. In the early 20 th century the century, the area is no akoya pearl set longer a source of nacre.

The mother was in America are used as inserts for furniture, in the 19 th century saw the use of keys. Muscatine, Iowa was the center of the pearl button production and "Klammer" fished the Mississippi and other rivers for fresh water pearl mussels. Key will be formed by punching round of the case. Billions were made of pearl buttons, but they have a lot of work. production since the beginning of World War II changed pearl button on the production of plastic buttons, because they were cheaper.

Nacre is still used as a background for many items such as furniture, musical instruments and jewelry. modern pearl comes from twisted pearl necklace sources of fresh water and salt in Europe, Asia, USA, Japan and Asia. Pearl, abalone from the shell, some of the most valuable. With his brilliance and beauty, this opal sea is always in demand and highly appreciated.