Onyx

Onyx, 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.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Ontology * Oosterzee, Jan Jakob van
O'Meara, Barry Edward
Ommiades
Omnipresence
Omphalë
Omsk
Onega, Lake
Onomatopœia
Ontario
Ontario, Lake
Ontology
Onyx
Oosterzee, Jan Jakob van
Opal
Open Secret, The
Open, Sesamë
Opera
Opera Bouffe
Ophelia
Ophicleide
Ophir
Ophites

Nearby

Onyx in Brewer’s Dictionary of Phrase & Fable