| Locality type: | Mine |
| Classification |
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| Species: | Goethite |
| Formula: | Fe3+O(OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Goethite data |
| Locality Data: | Click here to view Maryland Mine (Allen shaft), Potomac, Montgomery County, Maryland, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 852889 |
| Long-form Identifier: | 1:3:852889:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Goethite |
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| 1.8km (1.1 miles) | ⓘShaft #1, Ford Mine, Potomac, Montgomery County, Maryland, USA |
| 2.0km (1.2 miles) | ⓘStanmore Drive, Potomac, Montgomery County, Maryland, USA |
| 9.2km (5.7 miles) | ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA |
| 9.7km (6.1 miles) | ⓘAyrlawn Park, Bethesda, Montgomery County, Maryland, USA |
| 15.9km (9.9 miles) | ⓘSoapstone Valley, NW Washington, District of Columbia (Washington D.C.), USA |
| 37.4km (23.3 miles) | ⓘSavage Gabbro Quarry, Savage, Howard County, Maryland, USA |
| 39.5km (24.5 miles) | ⓘAgnewville Prospect, Gold-Pyrite Belt, Prince William County, Virginia, USA |
| 40.8km (25.4 miles) | ⓘPoint of Rocks bank, Frederick County, Maryland, USA |
| 48.2km (30.0 miles) | ⓘSpringfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA |
| 48.3km (30.0 miles) | ⓘBornite pit, Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA |
| References |
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