Sardonyx, The Sparkling Birthstone for January 25th
Birthstone for January 25th: Sardonyx Description of Sardonyx Sardonyx is a stunning gemstone that belongs to the chalcedony family, a variety of quartz known for its striking bands of color. The stone is a combination of two minerals—sard (a reddish-brown variety of chalcedony) and onyx (black and white banded agate), giving it a distinctive appearance with alternating bands of rich red, brown, and black. These bands can range from light to dark in hue, often displaying a beautiful contrast that is both bold and elegant....