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


Locality type:Quarry
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Smith Granite quarry, Westerly, Washington County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:36876
Long-form Identifier:1:3:36876:4
GUID (UUID V4):0
Nearest other occurrences of Epidote
2.0km (1.2 miles) ⓘRedstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
7.3km (4.5 miles) ⓘCrumb Granite Quarry, Bradford, Westerly, Washington County, Rhode Island, USA
29.4km (18.3 miles) ⓘCharter Oak Federal Credit Union construction site, Waterford, New London County, Connecticut, USA
39.4km (24.5 miles) ⓘGetty Granite Quarry, Salem, New London County, Connecticut, USA
41.9km (26.0 miles) ⓘWauregan Quarry, Wauregan, Plainfield, Windham County, Connecticut, USA
42.0km (26.1 miles) ⓘNipmuck quarry, Scituate, Providence County, Rhode Island, USA
49.7km (30.9 miles) ⓘHadlyme, Lyme, New London County, Connecticut, USA
51.3km (31.8 miles) ⓘMansfield Hollow Dam, Windham, Windham County, Connecticut, USA
53.6km (33.3 miles) ⓘHaynes Deep River Quarry, Deep River, Middlesex County, Connecticut, USA
54.1km (33.6 miles) ⓘUS Route 6 Willimantic Bypass expressway road cuts, Coventry, Tolland County, Connecticut, USA
References
Miller, C. E. (1971) Rhode Island Minerals and their Locations. University of Rhode Island.
 
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