Quartz from selected localities.
USA | |
| Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 |
| Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D | |
[var: Chalcedony] Pratt,Joseph Hyde (1933) Gems and Gem Minerals of North Carolina: American Mineralogist,Vol.18,No.4,April,1933 | |
[var: Rock Crystal] Grandfather Mountain Nature Museum | |
| Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
Grandfather Mountain, Linville, Avery County, North Carolina, USA