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Stilbite subgroup from
Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA

Classification
Species:'Stilbite subgroup' (not an IMA approved species)
Comments:Thin coatings of radiating crystals formed along many of the vertical fractures. Micro crystals with pectolite and apophyllite in fractures in the gneiss.
Habit:radiating, flat prisms with pinacoidal terminations
Colour:white, colorless
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals (1995) 70:396-409; Lapham (1957): Epidote from Hawleyville; Januzzi (1976): Mineral Localities of Connecticut and Southeastern New York State; Ronald Januzzi collection.
Associated Minerals Based on Photo Data:
Apophyllite2 photos of Stilbite subgroup associated with Apophyllite at this locality.
Pectolite1 photo of Stilbite subgroup associated with Pectolite at this locality.
Data
Mineral Data:Click here to view Stilbite subgroup data
Locality Data:Click here to view Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
Nearest other occurrences of Stilbite subgroup
8.2km (5.1 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
8.5km (5.3 miles) Danbury, Fairfield County, Connecticut, USA
12.3km (7.6 miles) New England Materials quarry, Monroe, Fairfield County, Connecticut, USA
15.4km (9.6 miles) O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
17.1km (10.6 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USA
18.8km (11.7 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
19.8km (12.3 miles) Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
19.8km (12.3 miles) Ridgefield, Fairfield County, Connecticut, USA
20.1km (12.5 miles) State Route 57 zeolite occurrence (Georgetown locality; Connerie's store), Redding (Reading), Fairfield County, Connecticut, USA
21.9km (13.6 miles) Interstate 84 road cuts, Brewster, Southeast Township, Putnam Co., New York, USA
 
Mineral and/or Locality  
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