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  1. Crystal methamphetamine is a Schedule II substance under the Controlled Substances Act. Schedule II drugs, which include cocaine and PCP, have a high potential for abuse. Abuse of …

  2. “Crystal Structure Analysis for Chemists and Biologists”, Glusker, Lewis and Rossi, VCH, 1994.

  3. Methamphetamine is a highly addictive drug with potent central nervous system (CNS) stimulant properties. In the 1960s, methamphetamine pharmaceutical products were widely available …

  4. Material properties generally vary with single crystal orientation (i.e., they are anisotropic), but properties are generally non-directional (i.e., they are isotropic) in polycrystals with randomly …

  5. Researchers studying gay men with HIV on antiretroviral therapy have found that crystal users show significantly higher viral loads than non-users. Crystal meth can actually stimulate HIV …

  6. Crystal Structure crystalline solid – the atoms or ions arrange in a pattern that repeats itself in three dimensions to form a solid which has long-range order amorphous solid – materials with …

  7. By definition crystal is a periodic arrangement of repeating “motifs”( e.g. atoms, ions). The symmetry of a periodic pattern of repeated motifs is the total set of symmetry operations …