vândut de libris.ro
Formerly titles Rocks and Minerals this handbook includes information on collecting and identifying minerals, sections on metallic, nonmetallic, gem and rock-forming minerals, and descriptions of igneous, sedimentary and metamorphic rocks. n nThis handy identification guide to the most common kinds of rocks and minerals offers concise and fascinating information on: n n- Physical and chemical properties n- Origins and geologic significance n- Gems and semiprecious stones n- How to find and collect specimens n nIllustrated in full color throughout, Rocks, Gems and Minerals is a gem of a guide for rockhounds and mineral collectors!n
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Vânzător: Libris.ro
Brand: Paul R. Shaffer