Chromium Uses, Resources, Supply, Demand and Production Information Republished from a USGS Fact Sheet from September, 2010 Chromium in paint: School bus yellow, originally called chrome yellow for the chromium pigment, was adopted for use on school buses in North America in 1939 because black lettering on the yellow buses is easy to see in the semidarkness of early morning.
Lebanon Bordering Countries: Israel, Syria Regional Maps: Map of Asia, World Map Where is Lebanon? Lebanon Satellite Image Lebanon Information: Lebanon is located in the Middle East. It is bordered by the Mediterranean Sea to the west, Israel to the south, and Syria to the east and north. Explore Lebanon Using Google Earth: Google Earth is a free program from Google that allows you to explore satellite images showing the cities and landscapes of Lebanon and all of Asia in fantastic detail.
By Paul B. Downing, Ph.D. If you want to learn about opal, this is the book. It's our favorite book about opal. It clearly describes the many different types of opal in language that is easy to understand. Includes information about how opal is identified, valued, mined, cut and used in jewelry. Explains natural, synthetic, simulant, and assembled stone types.
By Ake Dahlstrom and Leif Brost The Amber Book explains how amber forms and its role in human history. It is a lesson in art, gemology, science, geography and archaeology - accompanied by photos of many types of amber from a variety of localities in a variety of uses. This book is a 6 3/4" x 9" hardcover with 134 pages.
By Gail A. Butler "A field guide to some of the state's best rockhounding sites!" This book is a 6" x 9" paperback with 190 pages, descriptions, maps and photos. Rockhounding California Table of Contents Acknowledgments vi Site Locations vii Legend viii Preface ix Introduction 1 The Landscape 1 Earthquake Country 3 Sites to See 3 California Wildlife 7 Desert Travel 8 California's Mineral Highlights 9 Legends and Lore of Gems and Minerals 13 Rockhound's Vocabulary 13 Rockhound Rules 17 How to Use This Guide 19 Rockhound Access to Commercial Mines 22 Rockhounding Sites in Southern California 1.