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
Smith Granite quarry, Westerly, Washington County, Rhode Island, USA


Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Smith Granite quarry, Westerly, Washington County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:36871
Long-form Identifier:1:3:36871:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.0km (1.2 miles) ⓘRedstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
4.4km (2.7 miles) ⓘWhite Rock Quarry, Westerly, Washington County, Rhode Island, USA
27.2km (16.9 miles) ⓘKingston Hill, South Kingstown, Washington County, Rhode Island, USA
28.8km (17.9 miles) ⓘFalls of the Yantic River, Norwich, New London County, Connecticut, USA
29.3km (18.2 miles) ⓘMooresfield Granite quarry, South Kingstown, Washington County, Rhode Island, USA
30.8km (19.1 miles) ⓘNarragansett Pier, Narragansett, Washington County, Rhode Island, USA
31.3km (19.5 miles) ⓘTower Hill, Narragansett, Washington County, Rhode Island, USA
32.1km (19.9 miles) ⓘTower Hill Lead Mine, South Kingstown, Washington County, Rhode Island, USA
33.9km (21.1 miles) ⓘWatson Pier, Narragansett, Washington County, Rhode Island, USA
35.2km (21.9 miles) ⓘStook Hill, Saunderstown, North Kingstown, Washington County, Rhode Island, USA
References
Miller, C. E. (1971) Rhode Island Minerals and their Locations. University of Rhode Island.
 
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