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).
Where diamonds are found in the United States - Wyoming. Diamond Kimberlite pipes have been found in Wyoming, near the Colorado-Wyoming state line area referred to as the Aultman, Ferris and Schaffer kimberlites. The Herkimer Diamond Mine and the Ace Of Diamonds Mine - New York.
1 An 8.52-carat diamond was discovered in Arkansas' Crater of Diamonds State Park on Wednesday. 2  The gem is the fifth largest diamond to be discovered by a visitor at the park. 3  About 30 diamonds have been discovered at Crater of Diamonds State Park this year.