Bible Encyclopedias
Onyx

The Nuttall Encyclopedia

A variety of agate or chalcedony, in which occur even layers of white and black or white and brown, sharply defined in good specimens; they come from India, and are highly valued for cameo-cutting.

Bibliography Information
Wood, James, ed. Entry for 'Onyx'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​o/onyx.html. Frederick Warne & Co Ltd. London. 1900.