Thermoplastics, in basic terms, are melt-processable plastics (materials that are processed with heat). When enough heat is added to bring the temperature of the plastic above its melt point, the plastic liquefies (softens enough to be processed).
In the U.S., diamonds have been found in Arkansas, Colorado, Wyoming, and Montana. In 2004, the discovery of a microscopic diamond in the U.S. led to the January 2008 bulk-sampling of kimberlite pipes in a remote part of Montana.
The Kohinoor diamond numbers among the most famous diamonds in the world. It was discovered in the Indian state of Andhra Pradesh and has passed through the hands of Hindu, Turkic, Mughal, Sikh, Afghan and British rulers in its long history.he Kohinoor diamond numbers among the most famous diamonds in the world. It was discovered in the Indian state of Andhra Pradesh and has passed through the hands of Hindu, Turkic, Mughal, Sikh, Afghan and British rulers in its long history.