Carbonado compared to carbon‑12, relative to typical diamonds). Carbonado exhibits strong luminescence (photoluminescence and cathodoluminescence) induced by nitrogen and by vacancies existing in the crystal lattice. Luminescence halos are present around radioactive inclusions, and it is suggested that the radiation damage occurred after formation of the carbonados, an observation perhaps pertinent to the radiation hypothesis listed below. The origin of carbonado is controversial. Some proposed hypotheses are as follows: None of these hypotheses for carbonado formation had come into wide acceptance in the scientific literature by 2008. Supporters of an extraterrestrial origin of carbonados propose that their material source was a
Is This What You Want? Is This What You Want? Is This What You Want? is the debut album by English rock and soul singer Jackie Lomax, released in 1969 on the Beatles' Apple record label. It is notable for the involvement of three Beatles: It was produced by George Harrison and features contributions from Harrison, Paul McCartney and Ringo Starr. The album includes Lomax's debut single for Apple, the Harrison-written "Sour Milk Sea", while the US version added "New Day", which was produced by Lomax and released as a non-album single in Britain. The recording sessions for "Is This What You Want?" began in