Material properties of diamond these are known as ballas and are important to industry as they lack the cleavage planes of single-crystal diamond. Carbonado is a similar opaque microcrystalline form which occurs in shapeless masses. Like ballas diamond, carbonado lacks cleavage planes and its specific gravity varies widely from 2.9 to 3.5. Bort diamonds, found in Brazil, Venezuela, and Guyana, are the most common type of industrial-grade diamond. They are also polycrystalline and often poorly crystallized; they are translucent and cleave easily. Because of its great hardness and strong molecular bonding, a cut diamond's facets and facet edges appear the flattest and sharpest. A
Rock Is Dead (Marilyn Manson song) Discussing "Mechanical Animals" with Lorraine Ali, Manson said that he was "bored" with the aggression he displayed in the music of "Antichrist Superstar", elaborating: "Everything you hear nowadays is an offshoot of NIN, Marilyn Manson, [or] Ministry. There's just no great rock albums anymore. There's a lot of rock music out there, but it's very bland and disposable. A lot of people may say this record is over the top, pretentious and theatrical, but that's what rock music is supposed to be about." Manson said in another interview that he believes that "Rock's not dead, it just needs a kick