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Books by Robert J. Lauf

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4 books found
Collector's Guide to the Tourmaline Group (Collector's Guide To... (Schiffer))
Collector's Guide to the Tourmaline Group (Collector&#…
By: Robert J. Lauf
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Collector's Guide to Quartz and Other Silica Minerals (Schiffer Earth Science Monographs)
Collector's Guide to Quartz and Other Silica Minerals …
By: Robert J. Lauf
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Collector's Guide to the Mica Group (Schiffer Earth Science Monographs)
Collector's Guide to the Mica Group (Schiffer Earth Sc…
By: Robert J. Lauf
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A Collectors Guide to the Garnet Group (Schiffer Earth Science Monographs)
A Collectors Guide to the Garnet Group (Schiffer Earth Scie…
By: Robert J. Lauf
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