Hoffman's rockhound guide
By: Charles and Margaret Hoffman ; Bert Webber, editor and indexer.
Contributors: Hoffman, Margaret, 1907-; Webber, Bert.; Hoffman, Charles, 1907-
Edition: Expanded ed.
Publisher: Webb Research Group
Published: 1993
Place of publication: Medford, Or
Language: eng
Number of pages: 76
Subjects: Precious stones -- Collection and preservation.; Grinding and polishing.; Jewelry making.
Notes: "A complete how-to-do-it guide on equipment, grit, polish and steps on rock hunting, gold panning, tumbling gems, gem identification, jewelry making."
Rev. ed. of: Hoffman's rockhound guide to rock hunting, gold panning, tumbling gems, gem identification, jewelry making.
Includes index.