verd antique 古绿石
verd antique[ noun ]
a dark green impure marble
<noun.substance>
Verd antique \Verd` an*tique"\ [F. vert antique a kind of
marble; verd, vert, green + antique ancient: cf. It. verde
antico.] (Min.)
(a) A mottled-green serpentine marble.
(b) A green porphyry called {oriental verd antique}.