by Tom Seguin, Master Gemologist Appraiser | Jan 28, 2016 | Jewelry
Pure gold. The words are captivating. Pure gold is sumptuous and beguiling. But it has limitations for use in jewelry. Throughout history artisans mixed gold with other metals for a variety of reasons, from improving its strength to changing its color. Pure gold is...
by Tom Seguin, Master Gemologist Appraiser | Jan 28, 2016 | Colored Gemstones
The Tucson Gem, Mineral & Fossil Showcase is one of the premier gemand mineral shows in the world. The event takes place annually in late January and February at approximately 40 to 49 different locations across the city of Tucson, Arizona. Most of the shows are...
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