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Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite , and amorphous carbon , with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [ 1 ]
During the deployment, the Black Diamonds completed over 700 combat and construction missions worth over $50 million, earning its eighth Meritorious Unit Commendation. The battalion consisted of over 1200 Soldiers, sailors and Airmen who executed the full spectrum of engineering operations in support of Multinational Corps–Iraq.
Black Diamonds: Mountaintop Removal & The Fight for Coalfield Justice is a 2006 documentary film made and directed by filmmaker Chet Pancake. [1] The narration in the film is by actress Lauren Graham. The film is about the impact of mountaintop removal mining on the mountains, environment, and people in the Appalachia area of West Virginia.
Black Diamond, a brand name used for various electrical products of the Mitsubishi Corporation; Black Diamond, the barge whose collision with the steamer ship Massachusetts drowned at least 50 persons, including 4 pursuers of Abraham Lincoln's assassin; Black Diamond switches, a switch series by Extreme Networks
VA-216, nicknamed the Black Diamonds, was an Attack Squadron of the US Navy. It was established on 30 March 1955, and disestablished 15 years later on 1 August 1970. [1]
The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds. Black diamonds are also fancy color diamonds. All other factors being equal, the most valuable diamonds are ...