Locality type: | Quarry |
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 |
Comments: | Late forming crystals to 2 cm perched on quartz or prehnite with other zeolites and apophyllite. |
Habit: | coffin-shaped prisms |
Colour: | white to almond |
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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Pyrite | ⓘ2 photos of Heulandite Subgroup associated with Pyrite at this locality. |
Chabazite | 1 photo of Heulandite Subgroup associated with Chabazite at this locality. |
Pumpellyite Group | ⓘ1 photo of Heulandite Subgroup associated with Pumpellyite Group at this locality. |
Quartz | ⓘ1 photo of Heulandite Subgroup associated with Quartz at this locality. |
Data |
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Mineral Data: | Click here to view Heulandite Subgroup 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 (5 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 657169 |
Long-form Identifier: | 1:3:657169:6 |
GUID (UUID V4): | 49972099-8119-4b7a-8e28-b6b7382d88c9 |
Nearest other occurrences of Heulandite Subgroup |
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5.8km (3.6 miles) | ⓘNonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA |
14.1km (8.8 miles) | ⓘUnnamed quarry, Waterbury, New Haven County, Connecticut, USA |
15.8km (9.8 miles) | ⓘState Route 8 exit 37, Watertown, Litchfield County, Connecticut, USA |
16.7km (10.4 miles) | ⓘBlue Stone Quarry, Waterbury, New Haven County, Connecticut, USA |
17.8km (11.1 miles) | ⓘNew England Materials quarry, Monroe, Fairfield County, Connecticut, USA |
18.6km (11.5 miles) | ⓘWaterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA |
19.3km (12.0 miles) | ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA |
21.5km (13.3 miles) | ⓘ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 |
References |
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O & G Southbury Quarry, Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA