There is a door framed in verd antique in each end bay of the narthex.
The baldecchino is supported by four twisted columns formed of small rounded pieces of verd antique closely joined together.
The head and the feet are of black touchstone; the body is sheathed, and made of verd antique marble, rayed with white.
Here may be seen columns of verd antique, porphyry and valuable marbles, built longwise into the thickness of the wall.
In the boudoirs of the sultanas they were sometimes of verd antique, and incrusted with lapis lazuli.
Little remains earlier than the 15th century, except two verd antique columns and some of the pillars of the choir.
The columns of the whole church on the ground floor are of porphyry, and on the upper storey of verd antique.
Large pieces of porphyry and verd antique eternally trodden by the Trasteverine mob, and never even cleaned.
And the (roof of the) hall is placed on 55 twenty-four marble columns of green jasper (verd antique).
In the latter they are of verd antique, and are finely carved on both sides.