U.S. Geological Survey / Department of the Interior

Illustrations

  1. "Mojave Blue'' agate from California
  2. Red beryl from Wah Wah Mountains of Utah
  3. Oregon sunstone from the Ponderosa Mine
  4. Star garnet from Idaho
  5. Contra luz opal from Oregon
  6. Freshwater pearls from Tennessee
  7. Peridot from the San Carlos Apache Reservation in Arizona
  8. Rock crystal from Arkansas
  9. Sapphire from the Missouri River in Montana
  10. Synthetic ruby
  11. Tourmaline from Maine
  12. Carved turquoise from Arizona



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This page is URL:http://minerals.er.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/gifs/index.html
Maintained by Andrea Greenwood
Last modified 03-24-97(aag)