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

Classification
Species:Vivianite
Formula:Fe32+(PO4)2 · 8H2O
Formation:Secondary
Comments:"A new American locality for vivianite has been discovered at an undisclosed site in Brookfield by Mr. Januzzi. The species occurs in a granite pegmatite with tiny oil-green masses of dickinsonite associated with triphylite". Januzzi (1994).

Cleaved masses associated with metaswitzerite on quartz, albite, microcline and spodumene matrix.
Habit:cleaved masses
Colour:dark blue
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
References
References:Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
Associated Minerals Based on Photo Data:
Metaswitzerite4 photos of Vivianite associated with Metaswitzerite at this locality.
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
Nearest other occurrences of Vivianite
3.7km (2.3 miles) Brookfield, Fairfield County, Connecticut, USA
20.7km (12.9 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
41.3km (25.6 miles) State Route 8 and State Route 118 interchange, Harwinton, Litchfield Co., Connecticut, USA
68.7km (42.7 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
71.5km (44.4 miles) State Forest Quarry #2 (State Forest No. 2 Mica Mine), Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
73.0km (45.3 miles) Rock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
 
Mineral and/or Locality  
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