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
I Want to Know What Love Is debuted at number six in France, selling 1,910 CDs in its first week and 39,720 copies in all formats as of late 2009, becoming the best charting version of this song there. It placed 93rd on the Year-End Chart. In Brazil, the song was boosted for its inclusion in popular telenovela "Viver a Vida" and stayed at number one for 27 consecutive weeks on the airplay chart, becoming the longest running number one song ever. I Want to Know What Love Is "I Want to Know What Love Is" is a power ballad by the British-American rock band Foreigner. It