Amethyst

From WebRef.org
Jump to navigationJump to search
  1. A transparent to translucent, purple to pale-violet variety of quartz common as a semiprecious gemstone. The color results from a hole defect associated with ferric iron substitution for silicon. Syn: bishop's stone
  2. A term applied to a deep-purple variety of corundum and to a pale reddish-violet variety of beryl.
    Source: Dictionary of Mining, Mineral, and Related Terms


Sponsor: Dragon Professional Individual is Here!