Describes how crystals form in nature, how crystals are grown artificially, and how they are used in industry. Numerous color photos with text identify the various gemstones.
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Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.
"Unearth a treasure trove of geological knowledge with this in-depth guide to over 500 rocks and minerals"-- Provided by publisher.
"This Eyewitness guide to crystals and gemstones provides information on all aspects of this topic, as well as showing the reader diamonds being used to cut through a brick wall and where crystals grow in your home." -- Amazon.ca
Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.
Examines the creation, importance, erosion, mining, and uses of rocks and minerals.-- Source other than Library of Congress.
Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
Watching something being done is often the best way of learning. In around 45 minutes you'll learn many of the arts of building a model railway layout, from a baseboard construction for running trains at three levels right through to the detailing of scenic dressing and covering...