The gemmologists' compendium.

by

Gemmologist's Compendium - Webster, Robert, and Jobbins, E Alan (Revised by)

Acknowledged as one of the most useful reference books available, this should be the vade mecum of all gemmologists.

Gemmologist's Compendium 1999, Robert Hale & Company

ISBN-13: 9780719802911

Hardcover

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Gemmologists' Compendium 1980, Van Nostrand Reinhold Company, New York, NY

ISBN-13: 9780442238858

Unknown binding

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Gemmologists Compendium 1979, N.A.G. Press

ISBN-13: 9780719801013

Hardcover

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