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  1. Artificial Gemstones (Pocket)

    av

    Michael O'Donoghue

    ISBN: 9780719803314 - UTGIVEN: 200711

    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 identification.Today, gem-quality synthetic diamonds, [...]

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    från 173.00 kr
  2. Jämför priser
    från 1009.00 kr
  3. Jämför priser
    från 259.00 kr
  4. Gemstones (Pocket)

    av

    Michael O'Donoghue

    ISBN: 9789401070300 - UTGIVEN: 2011-10

    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 been concerned, understandably and rightly, with th[...]

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    från 806.00 kr
  5. Gems (Inbunden)

    av

    Michael (EDT) O'Donoghue

    ISBN: 9780719803413 - UTGIVEN: 2008-05

    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.It includes an expanded encyclopaedic section, and o[...]

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    från 903.00 kr