Collins Photo Guide – Rocks, Minerals and Gemstones (Collins Photo Guides S.)
by Walter Schumann
ISBN 13: 9780002199094
Format: Hardcover (384 pages) Publisher: Collins Published: 02 Nov 1992
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Stones and Minerals
ISBN 13: 9780718820114
Format: Hardcover (228 pages) Publisher: Lutterworth Press Published: 01 Jan 1974