Rings ~ Aqua Chalcedony Hammered 925 Sterling Silver Pre Order Only

Formula: SiO₂

Colour: colorless, white, gray, blue, any color due to embedded minerals, multicolored specimen not uncommon.

Lustre: Waxy, Dull

Hardness: 6½ - 7

Specific Gravity: 2.6

Name: Mentioned by Agricola (1546) of a stone named for the town of Chalcedon, now called Kadıköy, and is a district within the city of Istanbul, Turkey.