Quartz from selected localities.
USA | |
| U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
NBMG Spec. Pub. 31 Minerals of Nevada; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
NBMG Spec. Pub. 31 Minerals of Nevada | |
NBMG Bull 62 Geology and Mineral Deposits of Clark County, Nevada | |
| NBMG Bull 62 Geology and Mineral Deposits of Clark County, Nevada; USGS Bul 540 |
U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
USBM IC6964 | |
| [var: Chalcedony] Rolf Luetcke |
NBMG Spec. Pub. 31 Minerals of Nevada |
Green Monster Mine, Shenandoah Peak, Goodsprings Mining District, Spring Mountains, Clark County, Nevada, USA