Smoky Quartz from Alabama, USA
USA | |
| Cook, Robert B., Smith, W. Everett (1982) Mineralogy of Alabama. Bulletin 120. Geological Survey of Alabama |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
| Canadian Mineralogist Vol. 27, pp. 93-105 (1989) |
| Cook, Robert B., Smith, W. Everett (1982) Mineralogy of Alabama. Bulletin 120. Geological Survey of Alabama |
| Cook, Robert B., Smith, W. Everett (1982) Mineralogy of Alabama. Bulletin 120. Geological Survey of Alabama |
Dorothy M. Schlegal (1957) Gem Stones of the United States : USGS Bulletin 1042-G |
Elmore County, Alabama, USA