Diamond+by+ayesha

= Diamond by Ayesha = = = = = ===**Diamond have been found in South Africa since 1867. Diamond are an igneous rock and the hardness is 10. They are expensive because it's the hardest gem in the world. It shimmers and glistens and you can use it to cut other gems. Many large diamonds of rare quality are used for royalty or in the goverment. Diamonds will always be the hardest gem in the world.**===

=**Bibliography**= =**Helper, Mark A. "Diamond." //World Book Student.//World Book, 2012. Web. 15 May 2012.**=