| Locality type: | Quarry |
| Classification |
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| Species: | Gypsum |
| Formula: | CaSO4 · 2H2O |
| Comments: | As clusters of very delicate white or gray crystals on protected ledges of schist and gneiss, formed from the oxidation of sulfides in these rocks surrounding the pegmatite. |
| Habit: | clusters of micro crystals |
| Colour: | white to gray |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Gypsum data |
| Locality Data: | Click here to view Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 130213 |
| Long-form Identifier: | 1:3:130213:4 |
| GUID (UUID V4): | 59fcba30-ff58-4e7f-ae7c-3bf2a54de53b |
| Nearest other occurrences of Gypsum |
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| 4.4km (2.7 miles) | ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 9.6km (6.0 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 13.0km (8.1 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 15.7km (9.8 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 18.6km (11.6 miles) | ⓘReed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex County, Connecticut, USA |
| 24.8km (15.4 miles) | ⓘMeriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven County, Connecticut, USA |
| 26.3km (16.3 miles) | ⓘPillow lava locality, Meriden, New Haven County, Connecticut, USA |
| 27.7km (17.2 miles) | ⓘSherrill Street quarry, New Britain, Hartford County, Connecticut, USA |
| 32.3km (20.0 miles) | ⓘState Route 9 & State Route 71 Interchange, New Britain, Hartford County, Connecticut, USA |
| 34.6km (21.5 miles) | ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA |
| References |
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