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Apophyllite from
O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA

Locality type:Quarry
Classification
Species:'Apophyllite' (not an IMA approved species)
Formation:Secondary
Comments:2018 SEM-EDS analysis of three samples has determined the "-(K)" nature of these crystals, but not whether they are "fluor" or "hydroxy" dominant.
Habit:combinations of elongated prisms and bipyramids
Colour:colorless to white
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Garabedian, James A. (1998), Secondary Mineralization of Half-Moon Vesicles in the Mesozoic Basalt of the O&G#2 Quarry, Woodbury, Connecticut. University of Connecticut Master of Science Thesis.
Associated Minerals Based on Photo Data:
Prehnite6 photos of Apophyllite associated with Prehnite at this locality.
Pyrite1 photo of Apophyllite associated with Pyrite at this locality.
Data
Mineral Data:Click here to view Apophyllite data
Locality Data:Click here to view O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
Photo GalleryView Gallery (3 photos)
Nearest other occurrences of Apophyllite
3.6km (2.2 miles) O & G Woodbury Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
12.4km (7.7 miles) Interstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA
15.4km (9.6 miles) Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
23.8km (14.8 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
24.3km (15.1 miles) Cheshire Traprock Quarry, Cheshire, New Haven Co., Connecticut, USA
33.3km (20.7 miles) New Haven, New Haven Co., Connecticut, USA
33.9km (21.1 miles) State Route 57 zeolite occurrence (Georgetown locality; Connerie's store), Redding (Reading), Fairfield County, Connecticut, USA
36.2km (22.5 miles) Plainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford Co., Connecticut, USA
37.2km (23.1 miles) Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
38.8km (24.1 miles) Exit 24 Interstate highway 95, Fairfield, Fairfield County, Connecticut, USA
 
Mineral and/or Locality  
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