By Paul Deasy

  • Release Date : 2012-11-15
  • Genre : Consumer Guides
  • FIle Size : 59.09 MB


Opals OPALS is a book that explains the history, formation, and locations of opal mines around the world. It is filled with anecdotes as all as dozens of beautiful full color photographs. Also contained is a gem course which gives readers a great understanding of the colored gemstone business.