Pyrolusite from Graham County, Arizona, USA
USA | |
| MRDS database Dep. ID #10102411, MRDS ID #M000900. |
| MRDS database Dep. ID #10026950, MRDS ID #M001258. |
| MRDS database Dep. ID #10026962, MRDS ID #M001320. |
| MRDS database Dep. ID #10027120, MRDS ID #M002154. |
MRDS database Dep. ID #10027034, MRDS ID #M001763. |