Onyx is a variety of agate, which is a variety of chalcedony, which is a variety of quartz. Onyx is encountered in white, black and beige-brown. Its name is of Greek origin and refers to the lines that can be seen on the claws of several animals. This mineral is also mentioned in Theophrastus’ work.
Note:
Careful use of the begleri is recommended. Natural lines, pores, or subtle surface irregularities are inherent characteristics of the material and highlight its authenticity.
Ελληνικά

