Black Onyx
Onyx is a banded variety of chalcedony. The colors of its bands range from white to almost every color (save some shades, such as purple or blue). Commonly, specimens of onyx contain bands of black and/or white.
Read more about Black Onyx: Etymology, Varieties, Imitations and Treatments, Mineralogy, Historical Usage, See Also
Famous quotes containing the word black:
“Often he bid me come and have a look
Up the brass barrel, velvet black inside,
At a star quaking in the other end.”
—Robert Frost (1874–1963)