Rocks, Gems and Minerals

Psychic Sister Verified independent store

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Fully revised and updated! This handy identification guide to the most common kinds of rocks and minerals offers concise and fascinating information on:- Physical and chemical prop erties- Origins and geologic significance- Gems and semiprecious stones- How to find and collect specimensIllustrated in full color throughout, Rocks, Gems and Minerals is a gem of a guide for rockhounds and mineral collectors! Show more