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
Substance 1987 the on-screen title is "Substance 1983–88") and different background colours are used; the Factory/Qwest release has a grey background, the Japanese VHS release, blue and the LaserDisc, turquoise. The video includes linking sequences which are animated to the accompaniment of instrumental sections from "The Happy One", an otherwise unreleased track from the "Technique" sessions. Substance 1987 Substance (also known as Substance 1987) is a compilation album by English alternative dance band New Order. It was released in August 1987 by Factory Records. The album compiles all of the band's singles at that point in their 12-inch versions, along with their