| Locality type: | Occurrence |
| Classification |
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| Species: | Schorl |
| Formula: | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Schorl data |
| Locality Data: | Click here to view Quabbin Aqueduct Shaft #4 locality, Holden, Worcester County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 457369 |
| Long-form Identifier: | 1:3:457369:2 |
| GUID (UUID V4): | 19d46765-18ef-4909-85b8-6941489f51b8 |
| Nearest other occurrences of Schorl |
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| 12.5km (7.8 miles) | ⓘTatnuck Hill quarry, Worcester, Worcester County, Massachusetts, USA |
| 16.2km (10.0 miles) | ⓘLong Hill, Leominster, Worcester County, Massachusetts, USA |
| 19.2km (11.9 miles) | ⓘMonoosnoc Hill, Leominster, Worcester County, Massachusetts, USA |
| 20.9km (13.0 miles) | ⓘPine Hill, Fitchburg, Worcester County, Massachusetts, USA |
| 22.6km (14.1 miles) | ⓘRollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA |
| 24.6km (15.3 miles) | ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA |
| 40.0km (24.9 miles) | ⓘReynolds Mine (Beryl Hill Mine), Royalston, Worcester County, Massachusetts, USA |
| 44.7km (27.8 miles) | ⓘOrange mica mine, Orange, Franklin County, Massachusetts, USA |
| 47.3km (29.4 miles) | ⓘOak Hill Quarry, Westford, Middlesex County, Massachusetts, USA |
| 47.3km (29.4 miles) | ⓘMorris & Luke Quarry, Westford, Middlesex County, Massachusetts, USA |
| References |
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