Uncover Gemstone Locations Using the Minerals of California Online Database

If you want to know where to dig for gemstones and minerals in California, become a member of the Minerals of California Database for only $35.  Instead of searching through 1200 pages of text in the California Division of Mines and Geology Bulletin 189 or Pemberton books, you can access more than 6500 records online through this search engine.

This information can be invaluable for researchers, dealers, and collectors.  It will also help you plan a gem-digging trip.  Once you find out where your favorite gemstones are located, you can do a Google search to find out which areas are open to the public.

For more information, visit their website at http://www.gemandmineral.com/mocfront.html.

Is a Troy Ounce the Same as a Regular Ounce?

If you want to buy or sell gold, other precious metals, or gemstones, you will want to check the current ounce price to determine its value.  However, don’t think that you can get an accurate dollar amount by weighing your gold on a postage scale, for instance, because an ounce of gold is called a troy ounce and is very different from the avoirdupois ounce that is commonly used in the United States.

It’s very important to know some basic weight terms if you want to understand charts and discussions and news reports about precious metals and gemstones.  Therefore, I’ve provided for you a concise glossary of terms below: avoirdupois ounce, troy ounce, grain, and pennyweight.   

NOTE:  While most of the world uses the metric system, the United States primarily uses the U.S. customary system (also called the American system) to measure weight.

 

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