內容簡介
內容簡介 Celebrate North America's banded gemstones with this stunning coffee-table book about agates. Agates--few other natural formations exhibit the tremendous variety seen in these curiously banded gemstones. No two agates are exactly alike when it comes to color, pattern, or shape. Although they are found on every continent, many well-known and significant varieties are present in North America--fortification agates, fire agates, Lake Superior agates, and more. The Wonder of North American Agates was written and photographed by Dan R. Lynch and Bob Lynch, expert authors of the popular Rocks & Minerals series of field guides. This book features some of the most famous, most valuable, and rarest agates found in Canada, the United States, and Mexico. Inside you'll find: More than 60 of the most beautiful varieties of agates from across North America Intriguing, informative text that explains the fascinating differences between agates and why each is significant Compelling, true-to-life photos that show each agate's special beauty Casual fans and experienced collectors alike will appreciate the facts and photographs presented in this incomparable book.
