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Heulandite Subgroup from
Bull Run Quarry, Conklin, Loudoun County, Virginia, USA


Locality type:Quarry
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pumpellyite Subgroup2
Epidote2
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Bull Run Quarry, Conklin, Loudoun County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:368195
Long-form Identifier:1:3:368195:4
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
5.7km (3.5 miles) ⓘFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
8.3km (5.1 miles) ⓘChantilly Quarry, Chantilly, Loudoun County, Virginia, USA
10.3km (6.4 miles) ⓘVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA
14.9km (9.3 miles) ⓘMillbrook Quarry (Haymarket Quarry), Haymarket, Prince William County, Virginia, USA
23.2km (14.4 miles) ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
36.3km (22.6 miles) ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
83.1km (51.7 miles) ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA
93.3km (58.0 miles) ⓘWoodberry Quarry, Woodberry, Baltimore City, Maryland, USA
References
Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.
 
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