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Beskrivelse
This volume offers a one-stop reference to any matter dealing with gems, gemology, jewelry and related sciences. This revised and expanded second contains about 25,000 entries, some 9,000 more than the first edition, which are now complemented by more than 1,500 charts, diagrams and figures. It provides encyclopedic coverage of terms, techniques, people, laboratories, acronyms and places related to gems and gemology.