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"Unearth a treasure trove of knowledge about the rocks and minerals beneath our feet--from their formation to collecting them. Make identification easy and accurate with this compact visual guide, packed with photographs and details on formation, distinguishing features, and much more. Over 600 high-quality photographs capture the unique characteristics, colors, and attributes of more than 500 rocks and minerals. Each specimen's entry includes annotated photographs to highlight the rock or mineral's distinguishing features, and concise details about its texture, origin, formation, and chemical composition to help identify it. Designed for beginners and experienced collectors alike, the introduction explains what rocks and minerals are, how they are classified, what equipment is needed for specimen collection, and how to start and organize a collection"--… (plus d'informations)
Seriously useful reference book for identifying and learning about rocks and minerals. Excellent color photos with detailed information and descriptions. A useful book and educational.
Well, I wanted a resource for gemstones and I got a you-dummy, learn the basics book. As I delve into the mire of gemstones, it is apparent that there are several limbs from which all stones grow and I need to memorize the various names of those limbs and their, what?, limblets? sticks? You get the idea. Good book for background info.
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[Introduction] Rocks and minerals are a fundamental part of the earth's crust.
Native elements are free, uncombined elements which are classified into three groups: Metals such as gold, silver, and copper; semimetals such as arsenic and anitmony; and non-metals, including carbon and sulfur.
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Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
These rocks also could have originated on planet-forming bodies, called planetesimals.
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"Unearth a treasure trove of knowledge about the rocks and minerals beneath our feet--from their formation to collecting them. Make identification easy and accurate with this compact visual guide, packed with photographs and details on formation, distinguishing features, and much more. Over 600 high-quality photographs capture the unique characteristics, colors, and attributes of more than 500 rocks and minerals. Each specimen's entry includes annotated photographs to highlight the rock or mineral's distinguishing features, and concise details about its texture, origin, formation, and chemical composition to help identify it. Designed for beginners and experienced collectors alike, the introduction explains what rocks and minerals are, how they are classified, what equipment is needed for specimen collection, and how to start and organize a collection"--
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