| Locality type: | Park |
| 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 |
| Formation: | Primary |
| Comments: | As a rock forming component of the amphibolite and as an accessory in the pegmatites. |
| Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
| 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 Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 131465 |
| Long-form Identifier: | 1:3:131465:6 |
| GUID (UUID V4): | 0a55ddc8-a0bb-49c6-bf13-9d5bea363840 |
| Nearest other occurrences of Biotite |
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| 0.7km (0.4 miles) | ⓘCorporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 7.5km (4.7 miles) | ⓘNew England Materials quarry, Monroe, Fairfield County, Connecticut, USA |
| 11.0km (6.9 miles) | ⓘLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA |
| 14.0km (8.7 miles) | ⓘRedding Glen (Redding Ridge), Redding (Reading), Fairfield County, Connecticut, USA |
| 15.4km (9.6 miles) | ⓘArsenic and nickel mine (Nickel Mine Brook), Seymour, New Haven County, Connecticut, USA |
| 18.4km (11.4 miles) | ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven County, Connecticut, USA |
| 19.8km (12.3 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
| 21.8km (13.6 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
| 22.4km (13.9 miles) | ⓘDanbury, Fairfield County, Connecticut, USA |
| 22.7km (14.1 miles) | ⓘRidgefield, Fairfield County, Connecticut, USA |
| References |
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