Shows and describes different kinds of rocks and minerals, and tells how to identify rocks by testing for hardness, streak color, and density
Improve your life on all levels—mentally, physically, emotionally, and spiritually—with this essential reference guide to 160 easily-procured crystals, minerals, and stones.
Describes hundreds of minerals and lists their geographic distribution, physical properties, chemical composition, and crystalline structure.
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 ...
The clearest and cleanest-cut photographic field guide to over 130 gemstones from around the world This compact visual guide is packed with more than 800 vivid full-colour photographs of more than 130 varieties of cut and uncut stones, ...
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.
Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.
Most minerals fracture and cleave, but some will only fracture. Common fracture terms are uneven, conchoidal (shell-like), hackly (jagged), and splintery. curved fracture in opal rough, uneven surfaces of rock crystal Uneven fracture ...
A guide to the major rocks, minerals and gemstones found in Europe.
Discusses the physical properties of various rocks and minerals and gives instructions for collecting and identifying specimens.
"The practical and comprehensive on-the-go nature guide."--Page [4] of cover.