Shows and describes different kinds of rocks and minerals, and tells how to identify rocks by testing for hardness, streak color, and density
This authoritative guide details what a gemstone is and where they occur, as well as their natural properties and how they have been fashioned and imitated through the ages.
This captivating book introduces children to hands-on science with fun activities like starting your own impressive rock collection and how to stay safe on your rock finding missions.
Unearth a treasure trove of geological knowledge with this in-depth guide to over 500 rocks and minerals Learn how rocks are formed and how to recognize them by their unique qualities and colors.
This is supplemented with the second part of the book that describes dozens upon dozens of colored gem, diamond, gold, mineral and rock localities using the Public Land Survey System and GPS coordinates so the reader can visit these sites ...
Full-color illustrations of all gemstones and hundreds of semi-precious stones accompany guidelines for identification and classification and articles on mining, cutting, and the properties and characteristics of each
A reference to more than six hundred minerals, with color photographs of each type and an explanation of their forms and properties.
A comprehensive introduction explains how and where to find rocks and minerals, and makes identification of specimens simple.
Presents an introduction to minerals, discussing how they are formed, their shape, color, hardness, how they are used, and how to start a collection.
The handbook of crystal use opens with a thorough explanation of crystal energy, including its interactions with the human energy field, and teaches readers how to extrapolate what a crystal does based on its composition, crystal structure, ...
New photography makes the rocks and minerals pop, revealing their color and texture, while the text gives all the facts and data to turn budding rock collectors into experts.