Min. Also -yte. [f. as prec. + -ITE.] An extremely compact, granular rock, consisting essentially of quartz.
1849. Murchison, Siluria, viii. 167. The quartzites of the west are manifestly altered sandstones.
1873. J. Geikie, Gt. Ice Age, App. 479. A boulder of quartzite was found embedded in a seam of coal.
attrib. 1870. Pall Mall Gaz., 17 Nov., 4. The stag is formed of white quartzite stones.
1880. Dawkins, Early Man, vii. 181. There were also quartzite flakes and implements.
Hence Quartzitic a., of the nature of quartzite.
1872. W. S. Symonds, Rec. Rocks, vi. 191. This remarkable yellowish and quartzitic conglomerate.
1876. Page, Adv. Text-bk. Geol., viii. 157. Bands of quartzitic rock.