Blue Chalcedony Earrings

Stamped 925.

Length: 10 mm

Blue Chalcedony is a rare variety of Chalcedony. It is a cryptocrystalline silicate mineral and a member of the Quartz family. It occurs in large mass formations perfect for cutting, crafting, and tumbling. The chalcedony on the market today comes from one single region in Turkey. This area is believed to have been extracting Blue Chalcedony since 2500 B.C. The word “chalcedony” itself is named after the ancient sea port of Chalcedon, which is now known as the city of Kadikoy. The blue hue of the stone occurs because of the “Tyndall effect”, which is defined as light scattering by colloid sized particles. The color can range from a light transparent blue to a solid baby or sky blue.

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