Hurlbut, Cornelius S. 1906-2005.

Gemology / Cornelius S. Hurlbut, Jr., George S. Switzer. - New York : Wiley, c1979. - xii, 243 p., [12] leaves of plates : ill. ; 25 cm.

"A Wiley-Interscience publication."

Includes bibliographies and indexes.

047142224X

78013262


Precious stones.

QE392 / .H87

553/.8

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