Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Phlogopite from
Advance Stone Quarry, Boardman's Bridge, New Milford, Litchfield County, Connecticut, USA


Locality type:Quarry
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Habit:granular
Colour:brown
Luminescent properties:pale yellow-brown under SW UV
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Advance Stone Quarry, Boardman's Bridge, New Milford, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:97379
Long-form Identifier:1:3:97379:7
GUID (UUID V4):0
Nearest other occurrences of Phlogopite
13.1km (8.1 miles) ⓘU. S. Route 7 Expressway (Brookfield Bypass), Brookfield, Fairfield County, Connecticut, USA
16.3km (10.1 miles) ⓘTuckahoe and Patterson Marble Company Quarry, Town of Patterson, Putnam County, New York, USA
17.1km (10.6 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
19.3km (12.0 miles) ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
20.9km (13.0 miles) ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA
23.5km (14.6 miles) ⓘOil Mill Pond, Danbury, Fairfield County, Connecticut, USA
24.8km (15.4 miles) ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA
26.3km (16.4 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
31.2km (19.4 miles) ⓘWaterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA
33.4km (20.7 miles) ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
References
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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