Chalcedony

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Chalcedony is a fascinating mineral that belongs to the quartz family. It's a cryptocrystalline form of silica, meaning its crystals are so tiny they can only be seen with a microscope. Chalcedony comes in a variety of colors, including white, gray, blue, and brown, and it often has a waxy or glassy luster. This mineral has been used for centuries in jewelry and decorative items, with varieties like agate, carnelian, and onyx being particularly popular. Its name is believed to be derived from the ancient town of Chalcedon in Turkey.

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