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Sökresultat - Michael O'Donoghue

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  • Identification of Gemstones

    Identification of Gemstones
    av Michael O'Donoghue

    Häftad - 2008 - Engelska - ISBN: 9780719803512

    "Identification of Gemstones" is a comprehensive reference guide to gem and ornamental materials, and outlines all the features a gem tester has to know before making an identification.The experienced author team describe not only each natural gem s…

  • Gems

    Gems
    av Michael O'Donoghue

    Inbunden - 2008 - Engelska - ISBN: 9780719803413

    Since it was published in 1962, "Gems" has become universally recognized as the most comprehensive and authoritative treatise on gem materials in the English language. Now in its sixth edition, it has been revised for relevance to today's practice.I…

  • Producing Video For Teaching and Learning

    Producing Video For Teaching and Learning
    av Michael O'Donoghue

    Inbunden - 2013 - Engelska - ISBN: 9780415661423

    Producing Video for Teaching and Learning: Planning and Collaboration provides lecturers, researchers, professors, and technical staff in educational settings with a framework for producing video resources for teaching and learning purposes. This hi…

  • Producing Video For Teaching and Learning

    Producing Video For Teaching and Learning
    av Michael O'Donoghue

    Häftad - 2013 - Engelska - ISBN: 9780415661430

    Producing Video for Teaching and Learning: Planning and Collaboration provides lecturers, researchers, professors, and technical staff in educational settings with a framework for producing video resources for teaching and learning purposes. This hi…

  • Artificial Gemstones

    Artificial Gemstones
    av Michael O'Donoghue

    Häftad - 2007 - Engelska - ISBN: 9780719803314

    This title is now in paperback for the first time.Artificial gemstones have been well established in the trade for some time, but now, following further refinements in their manufacture, gemmologists worldwide are facing increasing problems with ide…

  • Gemstones

    Gemstones
    av Michael O'Donoghue

    Häftad - 2011 - Engelska - ISBN: 9789401070300

    Gemstones is the first attempt in English to bring together the geological, mineralogical and gemmological developments that have taken place during the last thirty years. Though there have been many gemstone books published in that time, most have…

  • Synthetic, Imitation and Treated Gemstones

    Synthetic, Imitation and Treated Gemstones
    av Michael O'Donoghue

    Häftad - 2008 - Engelska - ISBN: 9780719803710

    Today buyers cannot be sure whether or not a gemstone is man-made, if its colour has been produced artificially and if it will survive life in a piece of jewellery. This book enables gemstone and jewellery buyers to find out for themselves. A wide r…