Allotropes of carbon dispersion of light of diamond make it useful for both industrial applications and jewelry. Diamond is the hardest known natural mineral. This makes it an excellent abrasive and makes it hold polish and luster extremely well. No known naturally occurring substance can cut (or even scratch) a diamond, except another diamond. The market for industrial-grade diamonds operates much differently from its gem-grade counterpart. Industrial diamonds are valued mostly for their hardness and heat conductivity, making many of the gemological characteristics of diamond, including clarity and color, mostly irrelevant. This helps explain why 80% of mined diamonds (equal to about 100
T.H.E. (The Hardest Ever) T.H.E. (The Hardest Ever) "T.H.E. (The Hardest Ever)" is a song by American rapper will.i.am, featuring vocals from British singer Mick Jagger of The Rolling Stones and American singer Jennifer Lopez. The song was released via the iTunes Store on November 20, 2011, just hours after its debut at the American Music Awards. The music video for the song was released on December 12, 2011. The song was originally released as part as the lead single of will.i.am's fourth studio album, "#willpower", but was not included on the album. will.i.am first announced the song via his Twitter account, before announcing