Gov. Bobby Jindal has blessed a plan to create a new state gemstone, the cabochon cut gemstone derived from a special Louisiana-grown oyster -- the Crassostrea virginica mollusk. View full sizeDavid ...
Known for their integrated colors and patterns, collectors are often amazed at agates that wind up on Upper Peninsula lakeshores. Known for its diversity and beauty, an agate stone is a form of quartz ...
THIS exquisite image captures the astonishing internal structure of crazy lace agate, also known as Mexican agate. This section of the mineral is some 65 million years old. Agate is related to quartz ...
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