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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Muscovite from
Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA


00785770017272034656966.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
07309820017272023266884.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
06446120017382589239749.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
05105930017272023275699.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
00785770017272034656966.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
08308470017364178908266.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
08752960017373971131431.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
01366300017361079613045.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
00785770017272034656966.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
07309820017272023266884.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
01956990017382589244738.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
08393680017272023295409.jpg
Muscovite, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Schorl10
Pyrite5
Quartz3
Albite2
Perhamite1
Microcline1
Zircon1
Monazite-(Ce)1
Beryl1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:32948
Long-form Identifier:1:3:32948:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.2km (0.1 miles) ⓘHoward-Collins Quarry, Georgetown, Sagadahoc County, Maine, USA
0.8km (0.5 miles) ⓘTodd's Bay Quarry, Georgetown, Sagadahoc County, Maine, USA
0.8km (0.5 miles) ⓘCummings Quarry, Georgetown, Sagadahoc County, Maine, USA
1.9km (1.2 miles) ⓘPerkins Island beryl locality, Georgetown, Sagadahoc County, Maine, USA
2.1km (1.3 miles) ⓘBay Point andalusite localities, Georgetown, Sagadahoc County, Maine, USA
3.0km (1.9 miles) ⓘParker Head, Phippsburg, Sagadahoc County, Maine, USA
3.4km (2.1 miles) ⓘE. P. Thomas Quarry, Phippsburg, Sagadahoc County, Maine, USA
4.3km (2.7 miles) ⓘParker Head Quarry, Parker Head, Phippsburg, Sagadahoc County, Maine, USA
5.0km (3.1 miles) ⓘRobbins Quarry, Phippsburg, Sagadahoc County, Maine, USA
6.9km (4.3 miles) ⓘMcKay Farm prospect, Phippsburg, Sagadahoc County, Maine, USA
References
Cameron, Eugene N.
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
 
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