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
The First Word Is the Hardest The First Word Is the Hardest "The First Word Is the Hardest" is a single by Four Day Hombre. It was originally released through Crystal Songs in 2003; the tracks in this version were recorded by the band at their own studio. It is available on CD only (catalogue number hall008cd). It was rereleased with a different track listing through Alamo Music in 2006; the tracks in this version were recorded during the sessions for the album Experiments in Living. This release is available on CD (catalogue number ALM CDS002), 7" vinyl (catalogue number ALM V002), and through iTunes. Both