View rocks and minerals in 3-D! Rocks and minerals are everywhere.and kids are fascinated with them. This full-color guide is designed to familiarize readers with 50-100 minerals and rock types, and to make readers aware of an additional 50-100 types that are a bit less common. Help your budding geologists learn how to identify what they're looking at through color, shape, luster, fracture, and stains; the stereogram photos are designed to be look at through the included stereoscope glasses, allowing students to see photos in three dimensions! 64 indexed pages, softcover, spiral-bound to lay flat. Stereoscope with legs included.