Chalcopyrite from Bentley Mining District, Grand Wash Cliffs, Mohave County, Arizona, USA
USA | |
| Galbraith, F.W. (1947), AZ Bur. of Mines Bull. 153, Minerals of AZ: 19. MRDS file #10027660. |
| Galbraith, F.W. (1947), AZ Bur. of mines Bull. 153, Minerals of AZ: 19 MRDS file #10027690. |