How Gem Hunting Works

By: Ed Grabianowski

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  • Cash and Treasures

  • "Aussie Sapphires." "Cash and Treasures." Kirsten Gum. Travel Channel. June 4, 2008.
  • Cook, David and Wendy Kirk. "Kingfisher Field Guide to Rocks and Minerals of the World." Kingfisher Books Ltd. November 1991.
  • Hochleitner, Rupert. "Minerals." Barron's Educational Series First English Language Edition. March 1, 1994.
  • Krause, Barry. "Mineral Collector's Handbook." Sterling Pub Co. Inc., New Edition. August 1998.
  • "Meet Marvin Culver." Cash and Treasures. Travel Channel Web site. ?vgnextfmt=show&idLink=bcb877ea1e647110VgnVCM100000698b3a0a