| Classification |
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| Species: | Epidote |
| Formula: | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Babingtonite | 13 |
| Apophyllite Group | 5 |
| Fluorite | 4 |
| Calcite | 2 |
| Data |
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| Mineral Data: | Click here to view Epidote data |
| Locality Data: | Click here to view Quabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 38576 |
| Long-form Identifier: | 1:3:38576:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Epidote |
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| 23.3km (14.5 miles) | ⓘPelham Granite quarry (Ward Quarry; Valley Quarry), Pelham, Hampshire County, Massachusetts, USA |
| 24.4km (15.1 miles) | ⓘPelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA |
| 26.2km (16.3 miles) | ⓘQuabbin Aqueduct Shaft #2 locality, Holden, Worcester County, Massachusetts, USA |
| 32.3km (20.1 miles) | ⓘPandolf-Perkins Quarry, Sterling, Worcester County, Massachusetts, USA |
| 32.6km (20.2 miles) | ⓘMonson quarries (Flynt quarries), Monson, Hampden County, Massachusetts, USA |
| 34.9km (21.7 miles) | ⓘBallard Quarry, Worcester, Worcester County, Massachusetts, USA |
| 36.0km (22.4 miles) | ⓘRollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA |
| 37.9km (23.5 miles) | ⓘMount Grace, Warwick, Franklin County, Massachusetts, USA |
| 39.0km (24.3 miles) | ⓘFarmington Drive construction site, Shrewsbury, Worcester County, Massachusetts, USA |
| 40.4km (25.1 miles) | ⓘCheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin County, Massachusetts, USA |
| References |
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Quabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA