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
Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA


07357470017363001661680.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
00106470017271982283365.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
08482770017271982305668.jpg
Muscovite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06479170017272013607341.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
07357470017363001661680.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
00106470017271982283365.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
08482770017271982305668.jpg
Muscovite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
03792030017363001678111.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06233740017363001673894.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
00106470017271982283365.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
08482770017271982305668.jpg
Muscovite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06479170017272013607341.jpg
Muscovite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Schorl4
Pyrite3
Spodumene3
Quartz3
- var Rock Crystal1
Lepidolite2
Albite2
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Photo GalleryView Gallery (19 photos)
Data Identifiers
Mindat Occurrence Record ID:28614
Long-form Identifier:1:3:28614:1
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.0km (0.0 miles) ⓘLittlefield Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.0km (0.0 miles) ⓘSmith Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.2km (0.1 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘTurner Quarries, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.4km (0.3 miles) ⓘHatch Farm prospect, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.8km (0.5 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.9km (0.6 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.0km (0.6 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.0km (0.6 miles) ⓘEmery prospect, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.1km (0.7 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
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
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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