| Classification |
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| Species: | Heulandite-Ca |
| Formula: | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Comments: | Reference provides only a list of minerals with no details. |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Heulandite-Ca data |
| Locality Data: | Click here to view Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1321744 |
| Long-form Identifier: | 1:3:1321744:2 |
| GUID (UUID V4): | 2e9eb8b0-21eb-4f73-8044-e0c07795bc5c |
| Nearest other occurrences of Heulandite-Ca |
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| 4.0km (2.5 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 5.8km (3.6 miles) | ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA |
| 15.4km (9.6 miles) | ⓘO & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA |
| 18.5km (11.5 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 18.8km (11.7 miles) | ⓘO & G Woodbury Traprock Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA |
| 21.1km (13.1 miles) | ⓘState Route 67 construction site, Oxford, New Haven County, Connecticut, USA |
| 29.5km (18.3 miles) | ⓘUnnamed quarry, Waterbury, New Haven County, Connecticut, USA |
| 30.2km (18.8 miles) | ⓘWaterbury, New Haven County, Connecticut, USA |
| 32.1km (20.0 miles) | ⓘBlue Stone Quarry, Waterbury, New Haven County, Connecticut, USA |
| 38.7km (24.1 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| References |
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