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USA | |
| [var. Sunstone] Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York. |
| [var. Sunstone] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| [var. Perthite] Rocks & Min.:60:165. |
| [var. Perthite] Rocks & Min.:60:165. |
| [var. Sunstone] D. Grier, 1994 |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Rocks & Min.: 60:165. Bulletin 33. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Rocks & Min.: 60:165. Bulletin 33. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Rocks & Min.: 60: 165. Bulletin 33. |
| [var. Perthite] Rocks & Min.: 60:65. |
| Rocks & Min.: 20:265. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [var. Perthite] Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| The Northern Virginia Mineral Club (2009) Field trip |
| [var. Perthite] Gems and Minerals of America-Jay Ellis Ransom-1974 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min. 47:590 (1972) |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [var. Perthite] Gems and Minerals of America-Jay Ellis Ransom-1974 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| [var. Perthite] Gems and Minerals of America-Jay Ellis Ransom-1974 |
| [var. Sunstone] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich,R.V.,Fullagar,P.D.,and Botting,M.L.,(1969) K/Ar and Rb/Sr dating of tectonic events in the Appalachians of Southwestern Virginia:Geological Society of America Bulletin,v.80,p.307-314 |
| [var. Perthite] Gems and Minerals of America-Jay Ellis Ransom-1974 |
- Axton Pegmatite Mining District
| Rocks & Min.:60:168. |
| Rocks & Min.: 60: 168. |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Rocks & Min.: 60: 168. Bulletin 33. |
| Rocks & Min.: 60:168. |
| Wayne Gilmore |
| J. Wingard, personal observation 4/24/04 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Piney River Quarry, Piney River, Nelson County, Virginia, USA