Bögel, Hellmuth. The studio handbook of minerals; : a guide to gem and mineral collecting [electronic resource] / [by] Hellmuth Boegel. Rev. and edited by John Sinkankas. Illus. by Claus Caspari. [Translated by Eva Fejer and Patricia Walker].. — New York, : Viking Press, [1972, c1971]. — 304 p. : illus. 20 cm. — (A studio book).
A rev. translation of Knaurs Mineralienbuch; the translation was originally published in England under title: A collector's guide to minerals and gemstones.
Bibliography: p. [298]-299.
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Mineralogy--Handbooks, manuals, etc. Minéralogie--Manuels.