Bidspirit auction | A must for collectors! 2

A must for collectors! 2 comprehensive books with a wealth of information about minerals and gemstones - A must for collectors! 2 comprehensive books with a wealth of information about minerals and gemstones, includes: 1. Field guide to Rocks and Minerals, by Frederick H. Pough, second edition, with 266 photographs, 77 of which are in full color, published by Houghton Mifflin Company Boston, 1955, 349 pages, 2. Identification and Qualitative chemical analysis of Minerals, new second edition, by Orsino C. Smith, published by D. Van Nostrand Company Inc, 1953, 385 pages, hardcover. In good condition: wear to the paper covers of the books, slight yellowing to the paper. 1.36 kg.