Kyanite from Spruce Pine Mining District, North Carolina, USA
USA | |
| Rocks & Minerals 83:6 pp520-526 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| "Mineralogy of the Ray Mica Mine" by J.W. Miller and C.W. Allen |
| Rocks & Min.: 18:47. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Mark Harrison Collection |
Spruce Pine, Mitchell County, North Carolina, USA