Note 3070 — BOOK XXXVII. THE NATURAL HISTORY OF PRECIOUS STONES.
John Bostock translation
So called from ὄνυξ, a “finger-nail.” It is a variety of the Chalcedony, resembling Agate, but the colours are arranged in flat horizontal planes.
John Bostock translation
So called from ὄνυξ, a “finger-nail.” It is a variety of the Chalcedony, resembling Agate, but the colours are arranged in flat horizontal planes.