Gem hunting can be like playing the geological lottery. You may spend hours performing backbreaking work and pay fees for access to mine tailings only to find a few semiprecious stones that aren't worth much. Another person may randomly reach into a pile of dirt and pull out a diamond worth thousands of dollars. Looking for interesting gems and crystals can be a rewarding hobby, even if you don't hit the jackpot. Many recreational gem hunters enjoy spending time outdoors, learning about geology and hanging out with their gem-hunting friends. Whether you're new to gem hunting or a seasoned pro, this new book provides in-depth information on some of the Earth's most sought after precious and semi-precious gemstones.