Quartz from selected localities.
USA | |
| [var: Chalcedony] Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85. |
Rolf Luetcke | |
MRDS database Dep. ID file #10065015, MRDS ID #TC40002. | |
| MRDS database Dep. ID file #10095467, MRDS ID #M051122. |
USA | |
| [var: Chalcedony] Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85. |
Rolf Luetcke | |
MRDS database Dep. ID file #10065015, MRDS ID #TC40002. | |
| MRDS database Dep. ID file #10095467, MRDS ID #M051122. |
Sammy Dog Mine, Silver Bell Mining District, Silver Bell Mountains, Pima County, Arizona, USA