Lydian stone
Revision as of 12:18, 27 April 2013 by (username removed)
Description
A variety of quartz used used originally as a touchstone for grading gold and silver.
Synonyms and Related Terms
lydiet (Ned.)
Authority
- Thomas Gregory, Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998