Thomsonite Subgroup from Virginia, USA
USA | |
| Tim Novak Collection |
| 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. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Old Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA