| 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 Glen Riddle, Middletown Township, Delaware County, Pennsylvania, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 155014 |
| Long-form Identifier: | 1:3:155014:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 0.9km (0.6 miles) | ⓘLenni, Middletown Township, Delaware County, Pennsylvania, USA |
| 3.4km (2.1 miles) | ⓘFeldspar Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware County, Pennsylvania, USA |
| 6.4km (4.0 miles) | ⓘBlue Hill, Media, Upper Providence Township, Delaware County, Pennsylvania, USA |
| 7.3km (4.6 miles) | ⓘMedia, Upper Providence Township, Delaware County, Pennsylvania, USA |
| 10.8km (6.7 miles) | ⓘBullock's Quarry, Brandywine Summit, Chadds Ford Township, Delaware County, Pennsylvania, USA |
| 14.8km (9.2 miles) | ⓘOsborne Hill, Birmingham Township, Chester County, Pennsylvania, USA |
| 17.7km (11.0 miles) | ⓘSwain's Quarry, Pennsbury Township, Chester County, Pennsylvania, USA |
| 17.8km (11.1 miles) | ⓘBrandywine Quarry (Hubbard Quarry), Wilmington, New Castle County, Delaware, USA |
| 24.2km (15.0 miles) | ⓘFalls of Schuylkill, Fairmount Park, Philadelphia, Philadelphia County, Pennsylvania, USA |
| 26.1km (16.2 miles) | ⓘMcKinney's Quarry, Rittenhouse Lane, Philadelphia, Philadelphia County, Pennsylvania, USA |
| References |
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