Chalcedony is a cryptocrystalline number of quartz, with a waxy luster and a hardness of seven on the Mohs scale. It’s usually present in shades of white, grey, blue, inexperienced, or pink, and is commonly utilized in jewellery and ornamental objects.
The title “chalcedony” is derived from the traditional Greek metropolis of Chalcedon, the place the stone was first found. Chalcedony has been used for hundreds of years in quite a lot of cultures, and is believed to have non secular and therapeutic properties. Additionally it is a well-liked alternative for jewellery and ornamental objects, on account of its sturdiness and engaging look.