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
Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA


02249300017365246521816.jpg
Muscovite, etc.

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
06301010017272013439282.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
07423140017272013456020.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
02887960017272013472609.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
02249300017365246521816.jpg
Muscovite, etc.

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
06301010017272013439282.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
07423140017272013456020.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
02887960017272013472609.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
04979030017371950182092.jpg
Muscovite, etc.

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
08700540017272013481538.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
07423140017272013456020.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
02887960017272013472609.jpg
Muscovite

Lord Hill Quarry, Stoneham, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz11
- var Smoky Quartz1
Albite7
- var Cleavelandite6
Opal6
- var Hyalite6
Microcline4
Phenakite3
Fluorite1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Photo GalleryView Gallery (17 photos)
Data Identifiers
Mindat Occurrence Record ID:28489
Long-form Identifier:1:3:28489:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.4km (0.3 miles) ⓘPine Hill locality, Stow, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘPine Hill Chrysoberyl locality, Lovell, Oxford County, Maine, USA
2.1km (1.3 miles) ⓘStyles Mountain locality, Stoneham, Oxford County, Maine, USA
2.7km (1.7 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
2.7km (1.7 miles) ⓘMagna Futura Mine, Stoneham, Oxford County, Maine, USA
3.0km (1.8 miles) ⓘIntergalactic Pit, Deer Hill, Stow, Oxford County, Maine, USA
3.0km (1.9 miles) ⓘEastman Quarry, Deer Hill, Stow, Oxford County, Maine, USA
3.0km (1.9 miles) ⓘDeer Hill, Stow, Oxford County, Maine, USA
3.3km (2.0 miles) ⓘRattlesnake Mountain locality, Stoneham, Oxford County, Maine, USA
3.6km (2.2 miles) ⓘPalmer Mountain locality, Stoneham, Oxford 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
 
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