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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 ]
The Sergio (Portuguese: Carbonado do Sérgio) was the largest carbonado and the largest rough diamond ever dug up on earth. [1] It weighed 3,167 carats (633.4 g; 20.36 ozt) and was found above ground in Lençóis (State of Bahia, Brazil) in 1895 by Sérgio Borges de Carvalho. Like other carbonados, it is believed to be of meteoritic origin.
Melbourne E. Bay (February 25, 1913 – May 14, 1997), known professionally as Mel Bay, was an American musician and publisher best known for his series of music education books. His Encyclopedia of Guitar Chords , first published in 1971, remains a bestseller.
The Black Diamond, a 1921 British novel by Francis Brett Young; Black Diamond: The Story of the Negro Baseball Leagues, a 1994 book by Patricia and Fredrick McKissack; Black Diamonds: The Aboriginal and Islander Sports Hall of Fame, a 1996 book, incorporating the first round of the Aboriginal and Islander Sports Hall of Fame project
The vi chord before the IV chord in this progression (creating I–vi–IV–V–I) is used as a means to prolong the tonic chord, as the vi or submediant chord is commonly used as a substitute for the tonic chord, and to ease the voice leading of the bass line: in a I–vi–IV–V–I progression (without any chordal inversions) the bass ...
The standard tuning, without the top E string attached. Alternative variants are easy from this tuning, but because several chords inherently omit the lowest string, it may leave some chords relatively thin or incomplete with the top string missing (the D chord, for instance, must be fretted 5-4-3-2-3 to include F#, the tone a major third above D).
"Black Diamond" is a song by the Bee Gees released on the album Odessa in 1969. [1] The song was written by Barry, Robin & Maurice Gibb and featured lead vocals by Robin Gibb . It was included on the compilation Marley Purt Drive released in 1970.
The Black Diamonds were an Australian garage rock band from Lithgow, New South Wales, which were active under different names from 1959 to 1971.By 1965 the line-up consisted of Glenn Bland on vocals and harmonica, Allen Keogh on bass guitar, Colin McAuley on drums, Alan "Olly" Oloman on lead guitar and vocals, and his younger brother Neil Oloman on rhythm guitar.