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:
“Thats the down-town frieze,
Principally the church steeple,
A black line beside a white line;
And the stack of the electric plant,
A black line drawn on flat air.”
—Wallace Stevens (18791955)