Groovy gems
(2010)
Nonfiction
Book
Call Numbers:
J/553.8/PETERSEN,C
Availability
Details
PUBLISHED
Edina, Minn. : ABDO Pub. Co., [2010]
©2010
©2010
DESCRIPTION
32 pages : illustrations (chiefly color), map; 20 cm
ISBN/ISSN
9781604537437 (alk. paper) 1307741, 1604537434 (alk. paper)
LANGUAGE
English
NOTES
Includes index
Erasmus's lucky pebble -- What is a gem? -- Most gems are minerals -- Six crystal systems -- Magma gems -- Water gems -- Living gems -- Imitations and synthetics -- Cultured pearls -- Working with gems -- Then and now
"Groovy Gems" introduces readers to what gems are and how they form, including mineral gems and organic gems. Chapters discuss crystal systems, imitation and synthetic gems, cultured pearls, how gems are used, and their importance throughout history. Sidebars introduce birthstones, precious metals, and conflict diamonds, while a colorful world map indicates where gems are found
740L