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Mn-bearing Fluorapatite from
Case Quarries, Portland, Middlesex Co., Connecticut, USA

Mineral Species
Species:Fluorapatite var: Mn-bearing Fluorapatite
Formula:(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Description
Comments:Typically massive and inconspicuous, revealed by its yellow SW UV fluorescence.
Habit:massive
Colour:gray
Luminescent properties:yellow
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Jones, Robert W. Jr., (1960), Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations. Fluorescent House. Branford, Connecticut.
Data
Mineral Data:Click here to view Mn-bearing Fluorapatite data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Nearest other occurrences of Mn-bearing Fluorapatite
1.5km (1.0 miles) A Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
2.3km (1.4 miles) B Howe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
3.8km (2.4 miles) C Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
9.3km (5.8 miles) D Linkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex Co., Connecticut, USA
74.7km (46.4 miles) E Pfizer Company Marble Quarry (New England Lime Co. quarry; NELCO quarry; Specialty Minerals Inc.; Minerals Technologies Inc.; Canaan Limestone Quarry; Connecticut Lime Company; Canaan Lime Company; Lewis Quarry), Canaan, North Canaan, Litchfield Co., Connecticut, USA
81.9km (50.9 miles) F Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
194.4km (120.8 miles) G Raymond, Rockingham Co., New Hampshire, USA
Mineral and/or Locality  
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