Modern mineral collecting has its roots in the 16th century. Georgius Agricola (1494-1555), a German scientist and father of mineralogy and mineral collecting, published “De Re Metallica,” a treatise ...
Tucson is once again playing host to one of the most anticipated events of the year: the Tucson Gem, Mineral and Fossil Showcase. A tradition that has dazzled visitors and rock enthusiasts for over 70 ...
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