| Locality type: | Quarry |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view Ballard Quarry, Worcester, Worcester County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 127298 |
| Long-form Identifier: | 1:3:127298:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 18.3km (11.4 miles) | ⓘQuabbin Aqueduct Shaft #4 locality, Holden, Worcester County, Massachusetts, USA |
| 23.1km (14.4 miles) | ⓘRoute 62 locality (Potash Hill), Hudson, Middlesex County, Massachusetts, USA |
| 23.8km (14.8 miles) | ⓘQuabbin Aqueduct Shaft #6 locality, Rutland, Worcester County, Massachusetts, USA |
| 33.4km (20.8 miles) | ⓘPJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester County, Massachusetts, USA |
| 35.3km (21.9 miles) | ⓘSturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| 38.5km (23.9 miles) | ⓘRoute 13 area, Lunenburg, Worcester County, Massachusetts, USA |
| 39.4km (24.5 miles) | ⓘGrants Mills, Cumberland, Providence County, Rhode Island, USA |
| 40.6km (25.2 miles) | ⓘAggregate Industries Quarry (San-Val Quarry), Littleton, Middlesex County, Massachusetts, USA |
| 49.4km (30.7 miles) | ⓘCenterdale, North Providence, Providence County, Rhode Island, USA |
| 52.0km (32.3 miles) | ⓘChelmsford Lime Quarries, Chelmsford, Middlesex County, Massachusetts, USA |
| References |
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