Wednesday, January 9, 2008

Elephant tusk

Tusks are enlarged upper incisor teeth. In African Elephant both male and female have tusks. But in Asian Elephants only bulls have tusks. The visible tusk consists of dentine covered with enamel. This dentine is known as the Ivory. The cross-section of the tusk give a diamond shaped pattern. This pattern is unique in elephant's tusk. Ivory has been called as 'white gold' and its price sometimes exceed the price of gold. More

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