Books on ROCKS, MINERALS & GEMS

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B370 GEMSTONES OF THE WORLD
Walter Schumann
Of great value to a jeweler or layman who works with gems. This is a reference book.ARBA. One of the 100 outstanding Sci-Tech books of the Year. Invaluable to rock hounds of all ages. Beautiful illustrations.excellent quality.143 photographs 1,423 specimens in color plus 166 line drawings, bibliography .and index. 256 pages. $24.95

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B25 ROCKS AND MINERALS OF CALIFORNIA
Brown, Allan and Stark
Third revised Edition. An outstanding book that shows key rock and mineral deposits of California. Detailed section tells of mineral occurrences in topographic quadrangles. Many maps and tables plus 8 pages of color specimens. 200 pages. $9.95

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B95A ROCKS AND MINERALS
Sorrell
A guide to field identification. Beautiful vivid photographs and illustrations making identification a simple task. 280 pages . $12.95

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B19 Golden Guide Rocks and Minerals
H. S. Zim & P. R. Shaffer
This Handy compact identification guide to the most common kind of rocks and minerals .Offers concise and fascinating information on physical and chemical properties, origins and geologic significance of gem and semiprecious stones. 160 pages $4.99

	B370 GEMSTONES OF THE WORLD Walter Schumann Of great value to a jeweler or layman who works with gems. This is a reference book.ARBA. One of the 100 outstanding Sci-Tech books of the Year. Invaluable to rock hounds of all ages. Beautiful illustrations.excellent quality.143 photographs 1,423 specimens in color plus 166 line drawings, bibliography .and index. 256 pages. $24.95
	B25 ROCKS AND MINERALS OF CALIFORNIA Brown, Allan and Stark Third revised Edition. An outstanding book that shows key rock and mineral deposits of California. Detailed section tells of mineral occurrences in topographic quadrangles. Many maps and tables plus 8 pages of color specimens. 200 pages. $9.95
	B95A ROCKS AND MINERALS Sorrell A guide to field identification. Beautiful vivid photographs and illustrations making identification a simple task. 280 pages . $12.95
	B19 Golden Guide Rocks and Minerals H. S. Zim & P. R. Shaffer This Handy compact identification guide to the most common kind of rocks and minerals .Offers concise and fascinating information on physical and chemical properties, origins and geologic significance of gem and semiprecious stones. 160 pages $4.99