Quartz Deer, W. A., R. A. Howie and J. Zussman, An Introduction to the Rock Forming Minerals, Logman, 1966, pp. 340-355 ISBN 0-582-44210-9 Handbook of Mineralogy. Quartz Mindat. Quartz Webmineral. Quartz Hurlbut, Cornelius S.; Klein, Cornelis (1985). Manual of Mineralogy (20 ed.). ISBN 0-471-80580-7.