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 abuse prevention Substance abuse prevention Substance Abuse Prevention, also known as drug abuse prevention, is a process that attempts to prevent the onset of substance use or limit the development of problems associated with using psychoactive's substances. Prevention efforts may focus on the individual or their surroundings. A concept known as "environmental prevention" focuses on changing community conditions or policies so that the availability of substances is reduced as well as the demand. Substance abuse prevention efforts typically focus on minors – children and teens. Substances typically targeted by preventive efforts include alcohol (including binge drinking, drunkenness and driving under the influence),