Books by Robert J Lauf
Collector's Guide to the Mica Group
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Collector's Guide to the Epidote Group
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Collector's Guide to the Vesuvianite Group
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Collector's Guide to the Axinite Group
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Collector's Guide to the Three Phases of Titania: Rutile, Anatase, and Brookite
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Collector's Guide to the Pyroxene Group
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The Collector's Guide to Silicate Crystal Structures
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Collector's Guide to the Tourmaline Group
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Collector's Guide to the Beryl Group
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Collector's Guide to the Garnet Group
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Collector's Guide to Quartz and Other Silica Minerals
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Collector's Guide to the Feldspar Group
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Collector's Guide to the Zeolite Group
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