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Fluorapatite from
Fillow Quarry, Branchville, Redding, 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 | |
| Associated Minerals Based on Photo Data: | ||
| Albite | 17 | |
| - var Cleavelandite | 5 | |
| Muscovite | 9 | |
| Quartz | 4 | |
| - var Smoky Quartz | 2 | |
| Calcite | 2 | |
| Columbite-(Fe) | 2 | |
| Opal | 1 | |
| - var Opal-AN | 1 | |
| Microcline | 1 | |
| Data | ||
| Mineral Data: | Click here to view Fluorapatite data | |
| Locality Data: | Click here to view Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA | |
| Photo Gallery | View Gallery (14 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 38327 | |
| Long-form Identifier: | 1:3:38327:7 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Fluorapatite | ||
| 7.2km (4.5 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA | |
| 12.1km (7.5 miles) | ⓘBiermann Quarries (Bethel quarries; Codfish Hill Quarry), 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 University, 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 | |
| 18.1km (11.2 miles) | ⓘCorporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA | |
| 18.8km (11.7 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA | |
| 19.8km (12.3 miles) | ⓘMc Collum Mine, North Salem, Westchester County, New York, USA | |
| References | ||








Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA