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
McCormick quarry (Pierce Field), East Providence, Providence 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 McCormick quarry (Pierce Field), East Providence, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:249385
Long-form Identifier:1:3:249385:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.3km (2.0 miles) ⓘIde's Ledge quarry, East Providence, Providence County, Rhode Island, USA
9.9km (6.1 miles) ⓘBarrington Brick Yard (Nyatt Brick Pit), Barrington, Bristol County, Rhode Island, USA
10.9km (6.8 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
12.8km (8.0 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
14.2km (8.8 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
15.9km (9.9 miles) ⓘPoker Hill, Ashton, Cumberland, Providence County, Rhode Island, USA
17.5km (10.9 miles) ⓘBristol Coal prospect, Bristol, Bristol County, Rhode Island, USA
18.2km (11.3 miles) ⓘInterstate highway 295 & State Route 7 intersection, Smithfield, Providence County, Rhode Island, USA
18.3km (11.4 miles) ⓘSmithfield beryl prospect, Smithfield, Providence County, Rhode Island, USA
22.5km (14.0 miles) ⓘBristol Ferry, Portsmouth, Newport County, Rhode Island, USA
References
 
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