Quartz from selected localities.
||Minerals of Colorado (1997) Eckel, E. B.; Emmons and Becker (1885) Statistics and Technology of the precious Metals. Census reports Tenth census. June 1, 1880, Volume 13 By United States. Census office. 10th census, 1880, United States. Census Office|
|Minerals of Colorado (1997) Eckel, E. B.|
||Minerals of Colorado (1997) E.B. Eckel|
|Rocks & Min 70:5 pp 298-310; 2009 New Mexico Mineral Symposium abstracts; Crook, Wilson W. and Oswald, Stanley G. (1979) Calaverite from the Idarado Mine. Friends of Mineralogy Colorado Chapter Newsletter: 2(1).; Foord, E. E., & Shawe, D. R. (1989) The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Reviewand Some New Data From Colorado, California And Pennsylvania. Canadian Mineralogist, 27, 363-382.|