Carbonado typical gem diamonds. Lead isotope analyses have been interpreted as documenting crystallization of carbonados about 3 billion years ago. The carbonados are found in younger sedimentary rocks. Mineral grains included within diamonds have been studied extensively for clues to diamond origin. Some typical diamonds contain inclusions of common mantle minerals such as pyrope and forsterite, but such mantle minerals have not been observed in carbonado. In contrast, some carbonados do contain inclusions of minerals characteristic of the Earth's crust: these inclusions do not necessarily establish formation of the diamonds in the crust, however, because while these obvious crystal inclusions occur
What It Is to Burn (song) Century Hard Rock Songs. What It Is to Burn (song) "What It Is to Burn" is the title track off the album "What It Is to Burn" by the U.S. post-hardcore band Finch. It was released as a single in 2003 and was featured in the pilot episode of "One Tree Hill". A demo version of the song was released on the Drive-Thru Records compilation CD "Welcome to the Family" in 2001. In an interview with AOL, lead singer Nate Barcalow said he wrote this song from the viewpoint of a man in hell sending a letter to his loved