Carbonado supernova which occurred at least 3.8 billion years ago. After coalescing and drifting through outer space for about one and a half billion years, a large mass fell to earth as a meteorite approximately 2.3 billion years ago. It possibly fragmented during entry into the Earth's atmosphere and impacted in a region which would much later split into Brazil and the Central African Republic, the only two known locations of carbonado deposits. Carbonado Carbonado, commonly known as the "black diamond", is the toughest form of natural diamond. It is an impure form of polycrystalline diamond consisting of diamond, graphite, and
Carbonado, Washington the poverty line, including 2.9% of those under age 18 and none of those age 65 or over. Frank Robinson, founder and CEO of Robinson Helicopters was born in Carbonado in 1930. Carbonado School District is a historical school district which started in 1887. Paul Strand, pitcher (6-2), World Champion Boston Braves, born in Carbonado, 1893. Carbonado, Washington Carbonado is a town in Pierce County, Washington, United States. Carbonado is located near the Carbon River in northern Pierce County, approximately 50 miles (80 km) southeast of Seattle. Carbonado is the last town before entering Mount Rainier National Park and is