Gems and gem materials
By: by Edward Henry Kraus...and Chester Baker Slawson...
Contributors: Slawson, Chester Baker, 1898- joint author.
Edition: 4th ed.
Publisher: McGraw-Hill book company, inc.
Published: 1941
Place of publication: New York; London
Language: eng
Number of pages: 287
Subjects: Precious stones
Notes: First edition, 1925, by E.H. Kraus and E.F. Holden; 2d ed., 1931, by E.H. Kraus; 3d ed., 1939, by E.H. Kraus and C.B. Slawson.