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

Locality type:Quarry
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
References
References:Minerals of Virginia, 1990 by R. V. Dietrich
Data
Mineral Data:Click here to view Orthoclase 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 Orthoclase
52.0km (32.3 miles) Kensington Mica Mine (Gilmore Mine; B. H. Warner Mine), Wheaton, Montgomery Co., Maryland, USA
76.7km (47.7 miles) New London Mine (Linganore Mine), New London, Frederick Co., Maryland, USA
81.4km (50.6 miles) Weber's Quarry, Ellicott City, Howard Co., Maryland, USA
81.8km (50.8 miles) Frost Quarry, Davis, Howard Co., Maryland, USA
93.1km (57.8 miles) Harris Mine, Hewlett, Hanover Co., Virginia, USA
97.4km (60.5 miles) Saunders No. 1 Mine, Harris Mine, Hewlett, Hanover Co., Virginia, USA
98.9km (61.5 miles) Peters Mountain occurrence, Peters Mountain, Southwest Mts (Chestnut Ridge), Albemarle Co., Virginia, USA
 
Mineral and/or Locality  
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