Leading mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "Origin and Occurence of Gem Stones in Washington". Unavailable since 1949, this important publication was originally published by the Washington Geologic Survey and has been unavailable since first published.Included are details on where to find naturally occuring gem stones in the State of Washington, including quartz crystal, amethyst, smoky quartz, milky quartz, agates, bloodstone, carnelian, chert, flint, jasper, onyx, petrified wood, opal, fire opal, hyalite and others.Note: This edition is a facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.