LIMESTONE FAMILY. appear more or less in all the works executed in this kind of stone. 3. Greek While Marble,—Marmo Greco of Italian ar tists. Its colour is snow-white ; is fine granular ; and is rather harder than the other white marbles; hence it takes a higher polish. This is one of those varieties, which, being found near the river Coralus in I’hrygia, was called Corallilic or Corallic Marble by the ancients. Ihe Greek marble was obtained from several islands of the Archipelago, such as Scio, Samos, &c. 4. White Marble of Luni, on the coast of Tuscany. It is of a snow-white colour, small granular, and very compact; it takes a fine polish, and maybe employed for the most delicate work ; hence it is said to have been preferred by the Grecian sculptors, both to the Parian and Pentelic marbles. It is the general opinion of mi neralogists, that the Helvidere Apollo is of Luni marble; but the Homan sculptors look upon it as Greek marble *. The Antinous of the Capitol, preserved in the Royal Museum in Paris, is also of this marble. 5. White Marble of Carrara —It is of a beautiful white colour, but is often traversed by grey veins, so that it is difficult to procure middle-sized pieces without them. It is not so subject to turn yellow as the Parian. This marble, which is almost the only one in use by modern sculptors, w as also quarried and wrought by the ancients. Its quarries are said to have been opened in the time of Julius Ctesar. In the centre of the blocks of marble, beautiful rock-crystals aye found, which are called Car rara Diamonds. C. While * Dr Clarke says it is of Parian marble. Vid. Travels, vol. iii.
