Title: Beryl Gemstones - A Collection of Historical Articles on the Varieties, Origins and Properties of Beryl, Author: Various
Title: Popular Gemology, Author: Richard M. Pearl
Title: The Classification, Identification and Characteristics of Gemstones - A Collection of Historical Articles on Precious and Semi-Precious Stones, Author: Various
Title: Edelsteine und Mineralien: Das ganze Wissen über Edelsteine und Mineralien, Author: Kurt Josef Hälg
Title: Crystals, Rocks, and Gemstones: Exploring Earth's Treasures, Author: Kelsey Oseid
Title: Gem Testing, Author: B. Anderson
Title: Gold Panning in British Columbia, Author: Jim Lewis
Title: The Rockhounding Bible: [5 in 1] The Most Complete Guide to Finding, Identifying, and Collecting Precious Gems, Minerals, Geodes, and Fossils, Author: Tyler Gordon
Title: What's So Mysterious About Meteorites, Author: O. Richard Norton
Title: Cabochon Cutting - A Collection of Historical Articles on the Methods and Equipment Used for Working Gemstones, Author: Various
Title: Special Report Diamonds, Author: MyAppBuilder
Title: WHAT THINGS ARE MADE OF: America's Global Dependency on Just About Everything, Author: Richard I. Gibson
Title: Edgar Cayce Guide to Gemstones, Minerals, Metals, and More, Author: Shelley Kaehr PhD
Title: How To Mine Gold In Any City, Author: Don Lokke Jr
Title: Extreme Prospector, Author: Dave McCracken
Title: Gold Mining in the 21st Century, Author: Dave McCracken
Title: Eine mineralogische Reise durch Europa, Author: Friedrich Naumann
Title: The Living & Breathing Planet, Author: Tj Day
by Tj Day
Title: Outcrop Weathering of Petroleum Source Rocks and Black Shales:: Field and geochemical Laboratory Criteria for evaluating and collecting unweathered samples, Author: M.D. Lewan
Title: The Mazinaw Experience: Bon Echo and Beyond, Author: John Campbell

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