Quartz from Haystack Mountain (Haystack; Boulder Mountain; Kern Knob), Inyo Mts (Inyo Range), Inyo County, California, USA
USA | |
| [var. Smoky Quartz] Griffis, R.A. (1987), Kern knob pluton and other highly-evolved granitoids in East-central California, M.Sc. Thesis, California State University, Northridge. www.mineralsocal.org |