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USA | |
- Amelia (Amelia Court House)
| D. Grier, 1994 |
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| D. Allen Penick, Jr. (1987) Virginia Mineral Locality Index. Virginia Minerals:Virginia Division of Mineral Resources. 33-1:1-10 |
| 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. R. S. Mirchell and W. F. Giannini (1987) Tacharanite in an amygdaloidal basalt, Highland County, Virginia. Mineralogical Magazine 51:467-468 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min.:60:167. |
| Penick, D. (1985) Virginia Mineral Locality Index. Rocks & Minerals: 60(4): 164-170 (167). |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min.: 60:168. |
Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA