| Locality type: | Quarry |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Wooddale Quarries, Wooddale, New Castle County, Delaware, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 144111 |
| Long-form Identifier: | 1:3:144111:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.6km (0.4 miles) | ⓘHoopes Dam, New Castle County, Delaware, USA |
| 7.2km (4.5 miles) | ⓘBrandywine Quarry (Hubbard Quarry), Wilmington, New Castle County, Delaware, USA |
| 28.3km (17.6 miles) | ⓘCoatesville pegmatite locality, Coatesville, Chester County, Pennsylvania, USA |
| 29.1km (18.1 miles) | ⓘDeshong's Quarry, Leiperville, Ridley Township, Delaware County, Pennsylvania, USA |
| 34.5km (21.5 miles) | ⓘGoat Hill Barrens, West Nottingham Township, Chester County, Pennsylvania, USA |
| 36.0km (22.3 miles) | ⓘBenjamin Franklin Mine, Chester Springs, West Pikeland Township, Chester County, Pennsylvania, USA |
| 43.1km (26.8 miles) | ⓘGap Mine, Bart Township, Lancaster County, Pennsylvania, USA |
| 44.3km (27.6 miles) | ⓘPort Deposit Quarry (Port Deposit Granite Company), Cecil County, Maryland, USA |
| 45.3km (28.1 miles) | ⓘMiquon (Miquon Station; Lafayette; Lafayette Station), Whitemarsh Township, Montgomery County, Pennsylvania, USA |
| 45.8km (28.5 miles) | ⓘRidge Avenue and School Lane Quarries, East Falls, Fairmount Park, Philadelphia, Philadelphia County, Pennsylvania, USA |
| References |
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