| Locality type: | Road Cutting |
| 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 |
| Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
| Abundance at site: | Very common |
| 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 Cordierite locality (Bigelow Pond), Union, Tolland County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 772847 |
| Long-form Identifier: | 1:3:772847:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 7.3km (4.5 miles) | ⓘSturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| 17.7km (11.0 miles) | ⓘBecker Quarry, Willington, Tolland County, Connecticut, USA |
| 21.6km (13.4 miles) | ⓘMonson quarries (Flynt quarries), Monson, Hampden County, Massachusetts, USA |
| 40.3km (25.1 miles) | ⓘBlanchard Quarries, Uxbridge, Worcester County, Massachusetts, USA |
| 48.6km (30.2 miles) | ⓘPelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA |
| 49.6km (30.8 miles) | ⓘQuabbin Aqueduct Shaft #2 locality, Holden, Worcester County, Massachusetts, USA |
| 51.2km (31.8 miles) | ⓘPelham Granite quarry (Ward Quarry; Valley Quarry), Pelham, Hampshire County, Massachusetts, USA |
| 54.4km (33.8 miles) | ⓘLyman Viaduct at Dickinson Creek, Westchester, Colchester, New London County, Connecticut, USA |
| 54.6km (33.9 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA |
| 55.1km (34.2 miles) | ⓘCumberland Hill, Cumberland, Providence County, Rhode Island, USA |
| References |
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