COLLECTING ROCKS by Rachel M. Barker Rocks Tell the Story of the Earth The Earth is made of rock, from the tallest mountains to the floor of the deepest ocean. Thousands of different types of rocks and minerals have been found on Earth. Most rocks at the Earth's surface are formed from only eight elements (oxygen, silicon, aluminum, iron, magnesium, calcium, potassium, and sodium), but these ...

Guides for the Jewelry, Precious Metals, and Pewter Industries Effective April 10, 2001 23.0 Scope and application. 23.1 Deception (general). 23.2 Misleading illustrations. 23.3 Misuse of the terms hand-made, hand-polished, etc. 23.4 Misrepresentation as to gold content. 23.5 Misuse of the word vermeil. 23.6 Misrepresentation as to silver content. 23.7 Misuse of words ...

Extensive course notes and links for a Gem and Gem Minerals class at the University of Texas at Austin.

Welcome Friends & TV Viewers To My New Home: Dan Dennis Dot Com DanDennisDotCom to receive make over. See Press Releases section of Home Page for more information. Come in and stay awhile.....you'll be glad you did. Good things are happening at Dan Dennis Dot Com. Quote Of The Day: How many eyes will you sack in sorrow Seeking to borrow some sight of your own How many lies will you have to ...

Gem identification chart in a handy format. Includes synthetical and treated stones.

Austin Jewelry Appraisers, an accredited gemological laboratory, is your source for expert jewelry appraisal information and services.

THE GEMSTONE FORECASTER NEWSLETTERS THE GEMSTONE FORECASTER, VOL. 20, #2, Summer, 2002 Collecting Gem Green Burma Jadeite, AGL Jadeite Colored Stone Grading Report, Risky Business, Gem News, Notable Quotes, Spring Auction Report, Gem Thieves, Burma Gem Market Update, Collectors Corner THE GEMSTONE FORECASTER, VOL. 20, #1, Spring, 2002 New Neon Blue Tourmaline, Tucson 2002 Report, Tsavorite ...

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