Cleaning and preserving minerals
By: [by] Richard M. Pearl
Edition: 2d. ed., completely rev. 3rd ed.
Publisher: Earth Science Pub. Co.
Published: 1973
Place of publication: Colorado Springs, Colo
Language: eng
Number of pages: 86
Subjects: Collection and preservation; Minerals
Notes: First published as Setion 1 of the author's "Mineral Collectors handbook," 1947.