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Ivory info

Number of dentin of which the tusk of the elephant is composed, prized for its beauty, sturdiness, and suitability for carving. The tusk is the upper incisor and continues to grow throughout the lifetime of the male and female African elephant and of the male Indian elephant; the female Indian elephant has no tusks or small ones. The enamel of the hippopotamus, walrus, narwhal, sperm whale, and some sorts of wild boar and warthog are acknowledged as ivory but have little business worth because of their small size. Elephant tusks from Africa common about 6 feet (2 m) in length and weigh about 50 kilos (23 kg) each; tusks from Asian elephants are somewhat smaller. The elephant's tusk grows in layers, the inside layer being the final produced. About a third of the tusk is embedded in the bone sockets of the animal's skull. The pinnacle end of the tusk has a hole cavity that runs for a ways alongside its interior, but the tusk regularly becomes fully strong, with only a slender nerve channel working via its centre to the tip of the tusk.

There are two main sorts of elephant ivory, arduous and soft. Laborious ivory typically comes from elephants within the western half of Africa, tender ivory from those within the jap half. A tough ivory tusk is darker in color and is extra slender and straighter in kind than a gentle tusk. Internally, a hard tusk has more color and is more brittle than a comfortable tusk, which is an opaque white and has a considerably fibrous texture.

Ivory is a really sturdy materials and isn't easily damaged or destroyed; it is not going to burn and may be very little affected by immersion in water. Ivory is similar to a tough wood in some of its properties. It's quite dense, it polishes beautifully, and it's easily worked with woodworking tools. Many of the ivory used commercially comes from Africa, however commercial sales of ivory have declined for the reason that nineteenth and the early 20th centuries because of the shrinking numbers of African elephants. The once-flourishing ivory markets of Europe have largely shifted to South and East Asia, the place skilled artisans still carve ivory into collectible figurines and other aesthetic objects. The white tops of piano keys (“ivories”) and white billiard balls were formerly made of ivory, but these objects are now made of plastics or other synthetic materials. See additionally ivory carving.