| Locality type: | Quarry |
| Classification |
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| Species: | Schorl |
| Formula: | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Habit: | Crystals to 10 cm long. (Hitchen, 1935) |
| Colour: | black |
| Luminescent properties: | none |
| Quality for species: | Excellent - world class for species or very significant. (!!) |
| Abundance at site: | Very common |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals: |
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| Associates: | Almandine
Microcline
Muscovite
Quartz
|
| Associated Minerals Based on Photo Data: |
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| Quartz | 4 |
| - var Smoky Quartz | 1 |
| Fluorapatite | 2 |
| Microcline | 2 |
| Muscovite | 1 |
| Albite | 1 |
| Feldspar Group | 1 |
| Allanite-(Ce) | 1 |
| Beryl | 1 |
| - var Heliodor | 1 |
| Almandine | 1 |
| Data |
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| Mineral Data: | Click here to view Schorl data |
| Locality Data: | Click here to view Rollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA |
| Photo Gallery | View Gallery (18 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 38570 |
| Long-form Identifier: | 1:3:38570:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Schorl |
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| 2.3km (1.4 miles) | ⓘPine Hill, Fitchburg, Worcester County, Massachusetts, USA |
| 4.2km (2.6 miles) | ⓘMonoosnoc Hill, Leominster, Worcester County, Massachusetts, USA |
| 6.1km (3.8 miles) | ⓘLeavitt Quarry, Leominster, Worcester County, Massachusetts, USA |
| 8.4km (5.2 miles) | ⓘLong Hill, Leominster, Worcester County, Massachusetts, USA |
| 22.6km (14.1 miles) | ⓘQuabbin Aqueduct Shaft #4 locality, Holden, Worcester County, Massachusetts, USA |
| 29.9km (18.6 miles) | ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA |
| 30.1km (18.7 miles) | ⓘReynolds Mine (Beryl Hill Mine), Royalston, Worcester County, Massachusetts, USA |
| 31.6km (19.6 miles) | ⓘOak Hill Quarry, Westford, Middlesex County, Massachusetts, USA |
| 31.7km (19.7 miles) | ⓘMorris & Luke Quarry, Westford, Middlesex County, Massachusetts, USA |
| 34.5km (21.5 miles) | ⓘTatnuck Hill quarry, Worcester, Worcester County, Massachusetts, USA |
| References |
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Rollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA