| Locality type: | Town |
| 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: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Heulandite Subgroup data |
| Locality Data: | Click here to view Coventry, Kent County, Rhode Island, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 221901 |
| Long-form Identifier: | 1:3:221901:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Heulandite Subgroup |
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| 56.0km (34.8 miles) | ⓘUS Route 6 Willimantic Bypass expressway road cuts, Coventry, Tolland County, Connecticut, USA |
| 57.2km (35.6 miles) | ⓘAcushnet Quarry, Acushnet, Bristol County, Massachusetts, USA |
| 59.6km (37.0 miles) | ⓘBecker Quarry, Willington, Tolland County, Connecticut, USA |
| 60.9km (37.8 miles) | ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA |
| 73.3km (45.5 miles) | ⓘWest Roxbury Crushed Stone Quarry (West Roxbury Trap Rock Co. Quarry; Grove St. Quarry), West Roxbury, Boston, Suffolk County, Massachusetts, USA |
| 74.3km (46.2 miles) | ⓘHadlyme, Lyme, New London County, Connecticut, USA |
| 78.7km (48.9 miles) | ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 89.6km (55.7 miles) | ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA |
| 92.2km (57.3 miles) | ⓘ2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford County, Connecticut, USA |
| 94.7km (58.8 miles) | ⓘBlueberry Mountain Quarry (Blueberry Hill), Woburn, Middlesex County, Massachusetts, USA |
| References |
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