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The techniques for finding and recovering gemstones have changed little since the first human was dazzled by a precious colored stone. Today, almost all of the world's gemstone mining is done on a low-tech, artisanal level – miners digging by hand or with light equipment, seeking pay dirt.

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Many businesses are now turning to Thermo Scientific Niton portable x-ray fluorescence (XRF) analyzers for fast, accurate, and most importantly, nondestructive analysis of the precious metals that come into their shops.

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If you're looking for a particular type of gem, you might need specialized equipment, such as a pan for gold. In many cases, fee digs have this type of equipment available. Once you find some worthwhile specimens, can you walk off the property, gem in hand? Let's explore the legal issues surrounding gem hunting on the next page.

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