Agates: Treasures of the Earth - Tapa blanda

[Review of hardcover edition: ] Among the many articles and books on agates available to readers, this superbly done 184-page text by one of this country leading experts on agates should be high on everyone's "must have" list.--Bob Jones"Rock and Gem" (08/01/2007)

Selection, Holiday Gift Guide 2016... A comprehensive, easy-to-use identification guide for rock lovers... Amateur gemologists and agate collectors alike will find this informative and beautifully illustrated book to be an indispensable resource.-- (12/13/2016)

[Review of hardcover edition: ] Will interest both high school and public library holdings seeking books on geology and gemstones... Color photos throughout pack a history that is a top pick for any gemstone collector.-- (07/01/2007)

[Review of hardcover edition: ] A revelatory look at this group of dazzling stones.... well written and lucid. Its photos are spectacular and carefully labeled. I would recommend it to anyone who wishes to gain a better understanding of agates. It will certainly help make collecting more enjoyable and productive.-- (09/01/2007)

"Superbly done ... should be high on everyone's 'must have' list."
--Rock and Gem

Agates, the first popular guide to the brilliantly banded and highly prized gemstones, sold 7,000 copies in hardcover, no doubt for the glorious color photographs that capture collectors' enthusiasm for the stones' distinctive shapes and vivid colors.

Agates is a comprehensive, easy-to-use identification guide and a worldwide listing of where they are found.

The book describes:

• Names of agates--mineralogical, geological, local, trade, trivial
• Properties of agates--e.g., color, wall-banded, level-banded, cracked, thunder eggs
• Sources of agates--e.g., eruptions, lava, sediment, limestone beds, and fissures
• Lapidary--sawing, grinding, sanding, polishing
• Imitations and forgeries of agates
• Uses of agates through the ages, with beautiful photographs of artifacts and jewelry
• Early writing and collections
• Use of agates in science and technology
• Collecting
• National and regional maps showing agate-producing areas.

Amateur gemologists and agate collectors alike will find this informative and beautifully illustrated book to be an indispensable resource.