| Locality type: | Quarry |
| Classification |
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| Species: | Prehnite |
| Formula: | Ca2Al2Si3O10(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Calcite | β18 photos of Prehnite associated with Calcite at this locality. |
| Quartz | β8 photos of Prehnite associated with Quartz at this locality. |
| Sphalerite | β3 photos of Prehnite associated with Sphalerite at this locality. |
| Actinolite | β2 photos of Prehnite associated with Actinolite at this locality. |
| Apophyllite Group | β2 photos of Prehnite associated with Apophyllite Group at this locality. |
| Chalcopyrite | β2 photos of Prehnite associated with Chalcopyrite at this locality. |
| Pumpellyite Group | β2 photos of Prehnite associated with Pumpellyite Group at this locality. |
| Epidote | β2 photos of Prehnite associated with Epidote at this locality. |
| Heulandite Subgroup | β2 photos of Prehnite associated with Heulandite Subgroup at this locality. |
| Data |
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| Mineral Data: | Click here to view Prehnite data |
| Locality Data: | Click here to view Millbrook Quarry (Haymarket Quarry), Haymarket, Prince William County, Virginia, USA |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 603706 |
| Long-form Identifier: | 1:3:603706:2 |
| GUID (UUID V4): | 11183e17-d757-4078-9b79-22f081458502 |
| Nearest other occurrences of Prehnite |
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| 9.9km (6.1 miles) | βGainesville Quarry, Gainesville, Prince William County, Virginia, USA |
| 12.6km (7.9 miles) | βQuarry (MRDS - 10184216), Warrenton, Fauquier County, Virginia, USA |
| 14.9km (9.3 miles) | βBull Run Quarry, Conklin, Loudoun County, Virginia, USA |
| 16.5km (10.3 miles) | βVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA |
| 18.4km (11.5 miles) | βFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA |
| 21.3km (13.3 miles) | βVirginia Crushed Stone Quarry, Loudoun County, Virginia, USA |
| 21.5km (13.4 miles) | βChantilly Quarry, Chantilly, Loudoun County, Virginia, USA |
| 23.7km (14.7 miles) | βManassas Quarry, Fairfax County, Virginia, USA |
| 23.9km (14.8 miles) | βCentreville, Culpeper Basin, Fairfax County, Virginia, USA |
| 29.9km (18.6 miles) | βLuck Stone Quarry (Luckstone Quarry), Bealeton, Fauquier County, Virginia, USA |
| References |
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Millbrook Quarry, Haymarket, Prince William County, Virginia, USA