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Tourmaline from
Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William Co., Virginia, USA

Locality type:Quarry
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
References
References:Minerals of Virginia, 1990 by R. V. Dietrich
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William Co., Virginia, USA
Nearest other occurrences of Tourmaline
22.0km (13.7 miles) Cabin Branch Mine (Dumfries Mine), Dumfries, Gold-Pyrite Belt, Prince William Co., Virginia, USA
32.3km (20.1 miles) Franklin Mine (Deep Run Mine), Midland, Gold-Pyrite Belt, Fauquier Co., Virginia, USA
44.8km (27.8 miles) Eagle Mine (Morgan and Rappahannock; Smith), Gold-Pyrite Belt, Stafford Co., Virginia, USA
46.1km (28.6 miles) Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery Co., Maryland, USA
58.3km (36.2 miles) Manassas Gap Mine, Northern Section-Blue Ridge Province, Fauquier Co., Virginia, USA
62.3km (38.7 miles) Etchison Mine, Montgomery Co., Maryland, USA
69.3km (43.0 miles) Saunders Prospect, Gold-Pyrite Belt, Orange Co., Virginia, USA
76.7km (47.7 miles) New London Mine (Linganore Mine), New London, Frederick Co., Maryland, USA
81.7km (50.7 miles) Last Mile Mine, Ladysmith, Caroline Co., Virginia, USA
86.5km (53.7 miles) Scientists Cliffs beach alluvials, Calvert Co., Maryland, USA
 
Mineral and/or Locality  
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