| Locality type: | Quarry |
| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| 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 County, Virginia, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 367546 |
| Long-form Identifier: | 1:3:367546:5 |
| GUID (UUID V4): | 56ebd926-0fc2-421d-b630-35c12f3884db |
| Nearest other occurrences of Orthoclase |
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| 54.7km (34.0 miles) | ⓘKensington Mica Mine (Gilmore Mine; B. H. Warner Mine), Wheaton, Montgomery County, Maryland, USA |
| 56.8km (35.3 miles) | ⓘPaint Branch, Silver Spring, Montgomery County, Maryland, USA |
| 76.0km (47.2 miles) | ⓘNew London Mine (Linganore Mine), New London, Frederick County, Maryland, USA |
| 83.6km (52.0 miles) | ⓘWeber's Quarry, Ellicott City, Howard County, Maryland, USA |
| 83.7km (52.0 miles) | ⓘFrost Quarry, Davis, Howard County, Maryland, USA |
| 94.8km (58.9 miles) | ⓘHarris Mine, Hewlett, Hanover County, Virginia, USA |
| 96.8km (60.2 miles) | ⓘPeters Mountain occurrence, Peters Mountain, Southwest Mts (Chestnut Ridge), Albemarle County, Virginia, USA |
| 99.1km (61.6 miles) | ⓘSaunders No. 1 Mine, Harris Mine, Hewlett, Hanover County, Virginia, USA |
| References |
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