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Mercer, Ian, 1944-

Gemstones and the environment / Ian Mercer ; [illustrator, Louise Nevett]. - New ed., A Stargazer Books library ed. - Mankato, Minn. : Stargazer Books, 2005. - 32 p. : col. ill., col. map ; 30 cm. - Resources. .

Includes index. Summary adapted from p. [4] of cover.

What are gemstones? -- Gems from the earth -- Mining for gems -- Sorting diamonds -- Shaping diamonds -- Shaping gems -- Artificial gems -- Is it real? -- Diamonds in industry -- Precision instruments -- Gems in space and medicine -- Environment -- Weight and hardness -- Gem deposits.

Takes a look at natural and artificial gemstones, where they come from, how they are processed, how they are used in industry, space, medicine, and jewelry, and the impact that mining gemstones has on the environment. Gemstones are made from rare crystals that are mined throughout the world for their beauty and their value. Some gemstones also have special properties that make them ideal for use in manufacturing and industry.

1932799389 (alk. paper)

2003070753


Precious stones.
Precious stones, Artificial.

553.8 553.8