| Locality type: | Quarry |
| Classification |
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| Species: | 'Heulandite Subgroup' (not an IMA approved species) |
| Formula: | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Heulandite Subgroup data |
| Locality Data: | Click here to view Brox Quarry, Dracut, Middlesex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 826128 |
| Long-form Identifier: | 1:3:826128:1 |
| GUID (UUID V4): | 654dddba-ecd9-42cd-8ca8-9eafba47884b |
| Nearest other occurrences of Heulandite Subgroup |
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| 6.2km (3.9 miles) | ⓘPJ Keating Quarry (Dracut Quarry; Condon Quarry; Essex Bituminous), Dracut, Middlesex County, Massachusetts, USA |
| 18.3km (11.4 miles) | ⓘNorth Woburn, Woburn, Middlesex County, Massachusetts, USA |
| 23.8km (14.8 miles) | ⓘBlueberry Mountain Quarry (Blueberry Hill), Woburn, Middlesex County, Massachusetts, USA |
| 33.8km (21.0 miles) | ⓘAggregate Industries Quarry (Lynn Sand and Stone Co. Quarry; Bardon Trimount Quarry; Hume Quarry), Swampscott, Essex County, Massachusetts, USA |
| 34.6km (21.5 miles) | ⓘRoute 101/101A road cuts, Amherst, Hillsborough County, New Hampshire, USA |
| 45.6km (28.3 miles) | ⓘWest Roxbury Crushed Stone Quarry (West Roxbury Trap Rock Co. Quarry; Grove St. Quarry), West Roxbury, Boston, Suffolk County, Massachusetts, USA |
| 47.9km (29.8 miles) | ⓘWilton Crushed Stone Quarry, Wilton, Hillsborough County, New Hampshire, USA |
| 52.3km (32.5 miles) | ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA |
| 81.4km (50.6 miles) | ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA |
| References |
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