num_pages: 360
description: Published in association with the Smithsonian Institution, this lavishly illustrated volume provides a close-up look at the world's diverse rocks and gems, covering more than 450 different specimens, along with detailed descriptions, identification tips, classification information, and practical advice on gem and rock collecting.
language: English
title: Rock and Gem
titlecomplete: Rock and Gem
genres: Nature, Gemstones, Reference, Science, Geology, Nonfiction
ratings_count: 131
publisher: DK