Muscovite from Hartford Mining District, Cochise County, Arizona, USA
USA | |
| [var. Sericite] Luetcke, Rolf (n.d.) Personal communication. |
| [var. Sericite] Luetcke, Rolf (n.d.) Personal communication. |
USA | |
| [var. Sericite] Luetcke, Rolf (n.d.) Personal communication. |
| [var. Sericite] Luetcke, Rolf (n.d.) Personal communication. |
Reef Mine, Carr Canyon, Cochise County, Arizona, USA