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) plane, train, rocket, which then converts into a spaceship. Meanwhile, Lopez is seen on the walls while will.i.am. is driving past them and she also appears on the TV screen inside the spaceship and in the outer part of the galaxy. During the end, Jagger appears on the galaxy finishing the song while Lopez does the belly dance and kept on dancing while Jagger finishes the song. The music video features product placement for HTC, BMW, Beats by Dr. Dre, Siemens Velaro, and the Chrysler 300. Credits adapted from "T.H.E. (The Hardest Ever)" CD single liner notes. T.H.E. (The Hardest