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Heulandite-Ca from
U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA


Locality type:Road Cutting
Classification
Species:Heulandite-Ca
Formula:(Ca,Na)5(Si27Al9)O72 · 26H2O
Formation:Secondary
Comments:Microcrystal associated with drusy stilbite in a fracture in amphibolite.
Habit:blocky
Colour:colorless
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Heulandite-Ca data
Locality Data:Click here to view U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:1243451
Long-form Identifier:1:3:1243451:0
GUID (UUID V4):4591771e-f01d-41ea-8276-459782e13c43
Nearest other occurrences of Heulandite-Ca
4.0km (2.5 miles) ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
9.4km (5.9 miles) ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA
16.5km (10.2 miles) ⓘO & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA
19.4km (12.1 miles) ⓘO & G Woodbury Traprock Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA
22.5km (14.0 miles) ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
24.2km (15.0 miles) ⓘState Route 67 construction site, Oxford, New Haven County, Connecticut, USA
30.5km (19.0 miles) ⓘUnnamed quarry, Waterbury, New Haven County, Connecticut, USA
31.7km (19.7 miles) ⓘWaterbury, New Haven County, Connecticut, USA
33.1km (20.6 miles) ⓘBlue Stone Quarry, Waterbury, New Haven County, Connecticut, USA
38.6km (24.0 miles) ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
References
Former Ronald Januzzi collection
 
Mineral and/or Locality  
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