Practical gem knowledge for the amateur
By: by Charles J. Parsons. Compiled and edited by Pansy D. Kraus. Planning and direction by Hugh N. Leiper, managing editor.
Edition: 1st ed.
Publisher: Lapidary journal
Published: 1969
Place of publication: San Diego, Calif
Language: eng
Number of pages: 140
Subjects: Precious stones.
Notes: Bibliographical references included in "Appendix" (p. 140)
"Originally prepared in series form for the Lapidary journal", Oct. 1964-July 1968.