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


00203980017272023361310.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
03083000017363008182111.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
00021060017272023371569.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
07038600017272052714923.jpg
Quartz

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
00203980017272023361310.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
03083000017363008182111.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
06967870017369265459838.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
04251990017365810588759.jpg
Quartz

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
00203980017272023361310.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
01679900017367957414043.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
04224930017272023394521.jpg
Smoky Quartz, etc.

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
07038600017272052714923.jpg
Quartz

Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite8
Microcline8
Beryl7
Pyrite4
Autunite4
Schorl4
Graphic granite3
Muscovite3
Columbite-Tantalite2
Eosphorite2
Uraninite2
Zircon2
Metatorbernite2
Perhamite1
Tourmaline1
Meta-autunite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Consolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:32950
Long-form Identifier:1:3:32950:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
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
Thompson, W.B., et.al., 1991, Maine Mineral Localities, 2nd edition, Maine Geological Survey, Augusta.
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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