The barrels of Sardonyx have a diameter of 14mm, a length of 14-16mm and a polished surface. The whole gemstone strand with the threaded cylinders is about 40cm long.
Sincerity, strength of character and refinement of perception are the properties of Sardonyx used in stone healing.
The reddish brown part of Sardonyx is also called Sard. The name Sardonyx, like the mineral itself, is composed of the black and white Onyx and the orange-brown Sard; therefore, the spelling Sardonix is not correct.