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« river pond »

1-12 sur 12 résultats pour « river pond »
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  • Identification of Beryl

    Brief Guide To The Identification of Beryl

    par River Pond ...
    Brief guide to the identification of Beryl and its varieties. ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

  • Gemmological Instruments

    par River Pond ...
    This booklet is a very brief guide to some of the instruments used by the gemmologist. It includes some practical hints and tips that will prove useful. It looks in particular at lighting methods for the microscope and how a refractometer works. ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

  • Gemstone Inclusions

    par River Pond ...
    Inclusions are one of the most diagnostic characteristics of gemstones assisting greatly in their identification. Specific inclusions can often indicate a gemstones geological occurrence, its country of origin, whether it is natural or has been synthetically or artificially made and if so by which particular process, or even whether a gemstone has been treated by heat or another method or colour ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

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  • Rocks Of The World

    Rocks and Minerals Book For Kids

    par Speedy Publishing ...
    Kids find that their imagination starts to grow when they learn about new things and rocks and minerals are a natural aspect of the outdoors but kids tend to not take time to really look closely at each one. Learning about the big and little details of both helps kids imagine where rocks have been, how they got to where they were found and what caused minerals to form and take shape; all of these ... En savoir plus

    $6.99 CAD ou Gratuit avec Kobo Plus

  • Rocks and Minerals of The World

    Geology for Kids - Minerology and Sedimentology

    par Baby Professor ...
    Collections series Children's Rocks & Minerals Books
    Those stones you see might be an important mineral that the Earth creates. This book will open your child’s minds to the importance of the rocks and minerals you can dig up. It is a very informative book that is complete with images and just the right amount of texts too. Go ahead and get a copy of this book today! ... En savoir plus

    $4.99 CAD

  • Mineral Resource Estimation

    par Clayton V. Deutsch, Mario E. Rossi ...
    Collections series Earth and Environmental Science (R0)
    Mineral resource estimation has changed considerably in the past 25 years: geostatistical techniques have become commonplace and continue to evolve; computational horsepower has revolutionized all facets of numerical modeling; mining and processing operations are often larger; and uncertainty quantification is becoming standard practice. Recent books focus on historical methods or details of ... En savoir plus

    $102.49 CAD

  • Rocks Gems and Minerals for Kids Facts Photos and Fun Childrens Rock Mineral Books Edition

    par Baby Professor ...
    The Earth is home to hidden gems, rocks and other natural wonders. This workbook will showcase some of them in the hopes of inspiring the young to learn. By making this book very attractive, a child will learn to love and reap the benefits of reading. Secure a copy today! ... En savoir plus

    $6.99 CAD

  • Identification of Amber

    par Trudy Toohill ...
    Collections Livre 6 - Australian Gemstones Series
    This book contains a wealth of information on all aspects of amber, it’s appearance, diagnostic properties, common treatments and imitations. Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify amber. There is information on the physical and optical properties of amber. There is also details on the correct readings for ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

  • Identification of Diamonds

    par Trudy Toohill ...
    Collections Livre 14 - Australian Gemstones Series
    This book takes a look at diamonds, in particular the common forms of diamond, rocks in which diamonds are found in nature, diamond types, electrical behaviour, thermal conductivity, chemical composition, crystallography, hardness, specific gravity, determining synthetic diamonds to natural, colour, clarity methods, diamond enhancements, & more…This is volume 14 of the Australian Gemstones series ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

  • Identificaton of Pearls

    par Trudy Toohill ...
    Collections Livre 8 - Australian Gemstones Series
    This book contains a wealth of information on all aspects of pearls, saltwater and freshwater, their appearance, diagnostic properties, common treatments and imitations.Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify pearls.There is information on the physical and optical properties of pearls. There is also details on ... En savoir plus

    $0.97 CAD ou Gratuit avec Kobo Plus

  • Rocks and Minerals : 2nd Grade Science Workbook Series

    par Baby Professor ...
    What makes the Earth unique in the solar system? Look into the composition of the planet, particularly the kind of rocks and minerals found here, and your child will understand why life exists. The purpose of this workbook is to awaken your child's awareness of the world and to encourage a love for learning through self-paced activities. Grab a copy of this wonderful educational tool today! ... En savoir plus

    $4.99 CAD

  • Environmental Geochemistry of Potentially Toxic Metals

    par Frederic R. Siegel ...
    Collections series Chemistry and Material Science (R0)

    $64.09 CAD