a. [f. as prec. + -Y1.] Of the nature of quartz; resembling quartz.
1774. Pennant, Tour Scotl. in 1772, 218. The stones of this mountain are white—quartzy and composed of small grains.
1836. Macgillivray, trans. Humboldt’s Trav., xviii. 256. The bottom, which consists of white quartzy sand, is usually visible.
1880. Birdwood, Ind. Arts, II. 4. The iron ore is … separated from its granitic or quartzy matrix by washing.
fig. 1864. Rogers, New Ruon, II. 42. He … avows his inability to find Another lyric in his quartzy mind.
