THE ART OF THE LAPIDARY. BY FRANCIS J SPERISEN. COPYRIGHT 1961. HARDCOVER WITH DUSTJACKET. MEASURES 6.5X9.5". 390 PGS.

FEATURES PHOTOS OF CREATIONS BY MARGARET DE PATTA, ONE OF THE FINEST DESIGNERS OF MID CENTURY MODERN JEWELRY.

ALSO INCLUDES CREATIONS BY THE AUTHOR, FRANCIS SPERISEN WHO WORKED IN COLLABORATION WITH DE PATTA AND OTHER CALIFORNIA JEWELRY DESIGNERS.

CONTENTS:
PREFACE, ACKNOWLEDGEMENTS, GEMS AND PRECIOUS STONES, PHYSICAL CHARACTERISTICS OF GEMS - OPTICAL PROPERTIES, CLASSIFICATION OF GEMS - PHOTOMICROGRAPHS OF INCLUSIONS IN GEMSTONES, TOOLS AND EQUIPMENT - MINIMUM WHEEL SPINDLE DIAMETERS, SAWING SPECIMENT, GRINDING AND POLISHING LARGE AND FLAT STONES, CABOCHON CUTTING AND POLISHING, FACETED STONES, CUTTING, POLISHING, SPECIAL TREATMENT, TIN LAP WITH TIN OXIDE, LEVIGATED ALUMINA, RUBY POWDER LINDE A 5175 POWDER, DRILLING HOLES IN STONES, ENGRAVING, CARVING, SCULPTURING, MOSAIC, INTARSIA, INLAY, PARQUETRY, DIAMOND POLISHING, APPLIED LAPIDARY ART,

REFERENCE LISTS AND TABLES:
GEMSTONES, TRANSPARENT MINERALS USED FOR GEMSTONES, STONES SPECIAL CARE, HARD AND DURABLE STONES, FINE GRAIN OR TEXTURE, GRANULAR TEXTURE, COARSE OR UNEVEN GRAIN, STONES DIFFICULT TO POLISH, SCALE OF HARDNESS, TABLE OF SPECIFIC GRAVITY AND REFRACTIVE INDEXES, METRIC SYSTEM, METRIC CONVERSION, USEFUL CEMENTS, A FEW DONT'S, VOCAB AND GLOSSARY, SELECTED BIBLIO, INDEX

THE ART OF THE LAPIDARY (1961)