| Locality type: | Quarry |
| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Comments: | Common in many vesicles, some are filled with late forming crystals to 2-3 cm, which eventually crumble, sadly. |
| Habit: | prismatic |
| Colour: | white |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Prehnite | 11 |
| Calcite | 9 |
| Quartz | 7 |
| Pumpellyite Group | 4 |
| Anhydrite | 3 |
| Heulandite-Ca | 3 |
| Celadonite | 1 |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA |
| Photo Gallery | View Gallery (6 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 350157 |
| Long-form Identifier: | 1:3:350157:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Laumontite |
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| 3.6km (2.2 miles) | ⓘO & G Woodbury Traprock Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA |
| 12.4km (7.7 miles) | ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA |
| 13.5km (8.4 miles) | ⓘState Route 67 construction site, Oxford, New Haven County, Connecticut, USA |
| 15.8km (9.8 miles) | ⓘState Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA |
| 16.5km (10.2 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 19.3km (12.0 miles) | ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA |
| 23.0km (14.3 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 23.8km (14.8 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| 24.3km (15.1 miles) | ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA |
| 24.8km (15.4 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| References |
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O & G Southbury Quarry, Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA