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Robert J Lauf

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  • Introduction to Radioactive Minerals by Robert J. Lauf
    Introduction to Radioactive Minerals (English, Paperback) Robert J. Lauf

    Collectors have long admired uranium and thorium minerals for their brilliant colors, intense ultraviolet fluorescence, and rich variety of habits and associates. Radioactive minerals are also critically important as our source of nuclear energy. Understa

    $34.27
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  • Collector's Guide to Quartz and Other Silica Minerals by Robert J. Lauf
    Collector's Guide to Quartz and Other Silica Minerals (English, Paperback) Robert J. Lauf

    Quartz is prized by both mineral collectors and lapidary artists. Over 130 vivid photographs of these beautiful minerals are presented to show each mineral in its geological context. Superb examples are found in diverse geological settings from pegmatites to Alpine clefts and hydrothermal veins. The silica minerals are chemically simple, yet structurally complicated. Several high temperature and...

    $19.00
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  • Collector's Guide to the Mica Group by Robert J. Lauf
    Collector's Guide to the Mica Group (English, Paperback) Robert J. Lauf

    Mica is a broad term encompassing about forty minerals, ranging from the common to the rare, many at times forming excellent crystals jewelers use. This book feaures examples recently described among the 115 striking color photos and electron micrographs

    $21.57
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  • Collector's Guide to the Feldspar Group by Robert J. Lauf
    Collector's Guide to the Feldspar Group (English, Paperback) Robert J. Lauf

    Over 100 vivid color photographs of beautiful feldspar minerals show each species in its geological context. The feldspar minerals, as a group, make up nearly sixty percent of the earth's crust. Large crystals are found at many locales worldwide, in both igneous and metamorphic rocks. Often, feldspar forms the matrix for stunning gem crystals found in pegmatites. This book explains how feldspars...

    $20.93
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  • Collector's Guide to the Axinite Group by Robert J. Lauf
    Collector's Guide to the Axinite Group (English, Paperback) Robert J. Lauf

    The axinite group of rock-formed minerals is well known to collectors through the spectacularly sharp crystals collected in quantity at Dal'negorsk and Puiva in Russia and at Tomas and other localities in Pakistan. Axinites are occasionally cut as gems. This concise monograph provides an up-to-date review of the group, incorporating recent changes to the names of three axinite species. The book is...

    $21.99
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  • Collector's Guide to the Garnet Group by Robert J. Lauf
    Collector's Guide to the Garnet Group (English, Paperback) Robert J. Lauf

    Garnet, with its many color varieties, is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, in both igneous and metamorphic rocks. Other members of the group are prized by species collectors and micromount enthusiasts. Over 120 color photos of these beautiful minerals show each species in its geological context. This book also explains how...

    $20.34
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  • Collector's Guide to the Vesuvianite Group by Robert J. Lauf
    Collector's Guide to the Vesuvianite Group (English, Paperback) Robert J. Lauf

    Among rock-forming minerals, the vesuvianite group is best known through the many colorful crystals collected at the Jeffrey quarry, in Asbestos, Canada. Spectacular finds in China and Pakistan have added interest in this mineral group. The detailed text begins with an explanation of the chemistry and taxonomy of the group and a discussion of ongoing research into problems such as color,...

    $21.14
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  • Collector's Guide to the Pyroxene Group by Robert J. Lauf
    Collector's Guide to the Pyroxene Group (English, Paperback) Robert J. Lauf

    Over 115 striking color photos display pyroxene group minerals in all their forms and colors. This group of rock-forming minerals is best known to collectors through well-formed diopside crystals from many localities, including in Canada, the northeastern United States, the Alpine regions of Europe, and through the gem-quality spodumene found in pegmatites from California to Pakistan. Spectacular...

    $21.09
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  • Collector's Guide to the Tourmaline Group by Robert J. Lauf
    Collector's Guide to the Tourmaline Group (English, Paperback) Robert J. Lauf

    Among rock-forming minerals, the colorful tourmaline group is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, and in diverse geological settings from pegmatites to schists. Over 120 clear, crisp photos show each mineral in its geological context. This book will help mineral and gem collectors understand tourmaline mineralogy and see how...

    $21.69
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  • Collector's Guide to the Zeolite Group by Robert J. Lauf
    Collector's Guide to the Zeolite Group (English, Paperback) Robert J. Lauf

    Among rock-forming minerals, the zeolite group is large and widespread, and is enormously important to industry. Zeolites form excellent crystals. The group is structurally complex and notable for its ability to exchange cations with surrounding solutions. Numerous diagrams help visualize important structural features that define various framework types. Over 200 photographs of these beautiful...

    $21.53
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  • Collector's Guide to Silicates by Robert J. Lauf
    Collector's Guide to Silicates (English, Hardback) Robert J. Lauf

    This book explains the structural relationships among di- and ringsilicate minerals, known for their hardness and brilliant colors, and the geological conditions that create the beautiful crystals prized by collectors. The minerals are arranged systematically to emphasize how they fit into structural groups, and generously illustrated with nearly 600 structure diagrams, color photos, and drawings....

    $38.81 $45.00
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  • Collector's Guide to the Beryl Group by Robert J. Lauf
    Collector's Guide to the Beryl Group (English, Paperback) Robert J. Lauf

    Beryl in its many color varieties is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, mainly in pegmatites and schists. Other members of the group are prized by species collectors and micromount enthusiasts. This book explains how beryl is formed and the unique conditions that create fine aquamarines and emeralds. After a brief...

    $21.66
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  • Mineralogy of Uranium and Thorium by Robert J. Lauf
    Mineralogy of Uranium and Thorium (English, Hardback) Robert J. Lauf

    For students of geology, this book offers a systematic overview of uranium and thorium minerals, which are known for their intense ultraviolet fluorescence and are critically important as our source of nuclear energy. Learn about the geochemical conditions that produce significant ore deposits and view more than 600 maps, structure diagrams, color photos, and electron micrographs. A web link...

    $65.69
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  • Collectors' Guide to the Amphibole Group by Robert J. Lauf
    Collectors' Guide to the Amphibole Group (English, Paperback) Robert J. Lauf

    The amphibole group is extremely important, widespread, and beautiful, with a structure that can accommodate a bewildering variety of compositions and potentially hundreds of unique specimens. This timely volume will allow mineral collectors to understand how the amphiboles are organized and named, and to relate obsolete names to currently accepted ones. Over 140 full-color crystal images help the...

    $23.19
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