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Fluorapatite from
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA

Locality type:Quarry
Classification
Species:Fluorapatite
Formula:Ca5(PO4)3F
Comments:Crystals frozen in matrix are generally subhedral and opaque, generally the paler colored crystals or portions fluoresce much better than the darker color. Micro crystals in pockets in albite can be clear, colorless and euhedral with bright yellow fluorescence that helps locate them. Also chabazite, quartz, and fluorapatite crystallized in cavities in rhodochrosite associated with clove-brown lithiophilite, quartz, fluorapatite, and dickinsonite.
Habit:hexagonal prisms
Colour:colorless, white, pale to dark blue-green
Luminescent properties:yellow
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Brush and Dana (1879b); Cameron et al (1954) USGS Prof Paper 255; Ronald Januzzi collection
Associated Minerals Based on Photo Data:
Albite5 photos of Fluorapatite associated with Albite at this locality.
Muscovite3 photos of Fluorapatite associated with Muscovite at this locality.
Eosphorite1 photo of Fluorapatite associated with Eosphorite at this locality.
Quartz1 photo of Fluorapatite associated with Quartz at this locality.
Data
Mineral Data:Click here to view Fluorapatite data
Locality Data:Click here to view Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
Photo GalleryView Gallery (5 photos)
Nearest other occurrences of Fluorapatite
7.0km (4.4 miles) Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
12.1km (7.5 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
14.3km (8.9 miles) Danburite type locality, Danbury, Fairfield County, Connecticut, USA
14.9km (9.2 miles) Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA
16.1km (10.0 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
17.6km (10.9 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
17.9km (11.1 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
18.8km (11.7 miles) Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
19.6km (12.2 miles) Interstate 84 road cuts, Brewster, Southeast Township, Putnam Co., New York, USA
19.8km (12.3 miles) Mc Collum Mine (Croton Magnetic Iron-ore Mines), Brewster, Town of Southeast, Putnam Co., New York, USA
 
Mineral and/or Locality  
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