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


Locality type:Quarry
Classification
Species:Muscovite var: Damourite
Formula:KAl2(AlSi3O10)(OH)2
Comments:Brush and Dana (1878) (first paper) state that they found "a hydro-mica near damourite having a peculiar concentric spherical structure" [emphasis added]. They did not actually identify damourite.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Damourite data
Locality Data:Click here to view Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:130890
Long-form Identifier:1:3:130890:7
GUID (UUID V4):01a7f7a1-3c1c-4e00-90de-220a48e9c2d2
Nearest other occurrences of Damourite
37.8km (23.5 miles) Unnamed quartz mine (Judd's Bridge kyanite locality), Washington, Litchfield County, Connecticut, USA
77.9km (48.4 miles) New Hartford, Litchfield County, Connecticut, USA
References
 
Mineral and/or Locality  
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