| Locality type: | Construction Site |
| Classification |
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| Species: | Gypsum |
| Formula: | CaSO4 · 2H2O |
| Comments: | Rarely found in open fissures as etched, transparent cleavable masses associated with fluorite. Prismatic microcrystals |
| Habit: | cleavable masses. Prismatic microcrystals |
| Colour: | colorless |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Fluorite | 5 |
| Albite | 4 |
| Rosasite | 3 |
| Chalcopyrite | 2 |
| Clinochlore | 2 |
| Calcite | 2 |
| Quartz | 2 |
| Bismuthinite | 1 |
| Goethite | 1 |
| Native Sulphur | 1 |
| Cuprite | 1 |
| Azurite | 1 |
| Bismutite | 1 |
| Data |
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| Mineral Data: | Click here to view Gypsum data |
| Locality Data: | Click here to view Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| Photo Gallery | View Gallery (8 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 347325 |
| Long-form Identifier: | 1:3:347325:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Gypsum |
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| 0.4km (0.2 miles) | ⓘOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 0.5km (0.3 miles) | ⓘState Route 111 road cuts, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 18.5km (11.5 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
| 19.2km (12.0 miles) | ⓘBarrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven County, Connecticut, USA |
| 21.5km (13.3 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
| 24.7km (15.4 miles) | ⓘGreen's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA |
| 24.8km (15.4 miles) | ⓘO & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA |
| 30.6km (19.0 miles) | ⓘCinque Quarry, East Haven, New Haven County, Connecticut, USA |
| 34.4km (21.4 miles) | ⓘProgress Lane construction site, Waterbury, New Haven County, Connecticut, USA |
| 35.2km (21.9 miles) | ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA |
| References |
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Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA