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USA | |
| Field collected by Casper Voogt. |
| Laney, F.B.,(1917) the Geology and Ore Deposits of the Virginia District of Virginia and North Carolina NCGS Bulletion 26 |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
| Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
| Carpenter, P. Albert III (1976) Metallic Mineral Deposits of the Carolina Slate Belt. Bulletin 84. North Carolina Geological Survey |
- Virgilina Mining District
| Dana 6:1078. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Mike Dennis |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min.: 60:165. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| 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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| The Northern Virginia Mineral Club (2009) Field trip Dave Callahan (2008) Boxley Aggregates MT. Athos Quarry September 20, 2008. The Official Publication of The Gem and Mineral Society of Lynchburg, VA Inc 17(10):4-5 |
- Campbell-Pittsylvania Counties Barite
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- James River-Roanoke River Mn-Fe-Ba Mining District
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Southern Section-Blue Ridge Province
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. USGS Bull 470 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Southern Section-Blue Ridge Province
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Smith, J. W. (1961) Talc, Soapstone, and related stone deposits of Virginia. Virginia Minerals, Virginia Division of Mineral Resources 7:1-7 |
- Virgilina Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Smith, J. W. (1961) Talc, Soapstone, and related stone deposits of Virginia. Virginia Minerals, Virginia Division of Mineral Resources 7:1-7 |
- Southern Section-Blue Ridge Province
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Campbell-Pittsylvania Counties Barite
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- James River-Roanoke River Mn-Fe-Ba Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Beard, James S., Tracy, Robert J., Henika, William S. (2002) Minerals of the Hutter Mine. Rocks & Minerals, 77 (5) 320-325 doi:10.1080/00357529.2002.9925653 |
| Dr. Howard Heitner specimen |
- Austinville Lead-Zinc-Iron Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Austinville Lead-Zinc-Iron Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Appomattox Quarry, Appomattox County, Virginia, USA