A serpentine limestone from the metamorphic beds of Anglesey.
Origin
Early 19th century; earliest use found in Repository of Arts. From classical Latin Mona, Roman name for Anglesey, an island off the north coast of Wales + marble.
Definition of Mona marble in US English:
Mona marble
nounˌməʊnə ˈmɑːbl
A serpentine limestone from the metamorphic beds of Anglesey.
Origin
Early 19th century; earliest use found in Repository of Arts. From classical Latin Mona, Roman name for Anglesey, an island off the north coast of Wales + marble.