Quartz from Folsom Mining District, Sacramento County, California, USA
USA | |
| [var. Rock Crystal] Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 315 |
USA | |
| [var. Rock Crystal] Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 315 |