Contents

Abstract || Introduction || Data Sources || U.S. Production

Alaska | Arizona | California | Colorado and Utah | Florida | Idaho | Montana | New Mexico | Oregon | South Dakota | Tennessee | Texas | Washington | Wyoming | Others

Alaska | Arizona | California | Colorado | Illinois | Idaho | Maine | Massachusetts | Montana | New Hampshire | New Jersey | New Mexico | New York | North Carolina | Ohio | Utah | Others

New Mexico | Oregon | Virginia | Others

Alaska | Arizona | California | Colorado | Connecticut | Idaho | Montana | Nevada | New Hampshire | New York | North Carolina | Pennsylvania | Utah | Virginia

Arizona | Idaho | Louisiana | Nevada | Oregon

Arizona | New Mexico

Arkansas | California | New York | Others

Montana | North Carolina

California | Maine

Arizona | California | Colorado | New Mexico | Nevada

Illustrations

End Notes

U.S. Department of the Interior U.S. Geological Survey Minerals Information 988 National Center Reston, VA 20192 USA URL:  http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/contents.html Maintained by:  rcallaghan@usgs.gov Last modification:  17-Jul-2002@10:36 Privacy Statement || Disclaimer || FOIA || Accessibility