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:
“Elvis’ disappearing body is like a flashing event horizon at the edge of the black hole that is America today.”
—Arthur Kroker (b. 1945)