Sterling Silver and Agate Ring

Agate is the one of the Birthstones for September, as well as the Zodiac sign, Gemini, and the accepted gemstone for the 12th and 14th wedding anniversaries. Agate is a common semiprecious silica mineral, that occurs in bands of varying colors and transparency. Agate is also known as chalcedony. It is a stone that has been used for centuries as gems and as precious materials for the production of ornaments or small sculptures. The name chalcedony comes from Chalchedon, an ancient port on the Sea of Marmara, in Asia Minor. Agate for ornamental materials used to be mined in that area and it was an active trading center for many gems.