SP-14-95 An Overview of Production of Specific U.S. Gemstones U.S. Bureau of Mines Special Publication 14-95 Contents Abstract || Introduction || Data Sources || U.S. Production Chalcedony Alaska | Arizona | California | Colorado and Utah | Florida | Idaho | Montana | New Mexico | Oregon | South Dakota | Tennessee | Texas | Washington | Wyoming | Others Collector or Specialty Alaska | Arizona | California | Colorado | Illinois | Idaho | Maine | Massachusetts | Montana ...

The web pages for rocks and mineral can be found at: http://www.uky.edu/KGS/rockmn/ Please update your links and bookmarks.

. Graphic by: Steven E. Hall The Online Meteorology Guide is a collection of web-based instructional modules that use multimedia technology and the dynamic capabilities of the web. These resources incorporate text, colorful diagrams, animations, computer simulations, audio and video to introduce fundamental concepts in the atmospheric sciences. Selected pages link to (or will soon link to) relevant classroom activities and current weather products to reinforce topics discussed in th ...

Technische Universität Clausthal Institut für Mineralogie und Mineralische Rohstoffe Die Clausthaler Mineralogische Sammlung The Clausthal Online Mineral Collection Photographs copyright Dr.A.K.Schuster Links to all 93 mineral photographs, with MINERAL NAMES. (List in German; to be appended). Click on the ITEM NUMBER to get an icon-sized picture (GIF), click on the MINERAL NAME to get a good-sized picture (GIF), click on JPEG to get a bigger picture (JPEG). JAMSONI ...