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
Gulf Quarry, Haddam, Middlesex County, Connecticut, 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 Gulf Quarry, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920204
Long-form Identifier:1:3:920204:7
GUID (UUID V4):0
Nearest other occurrences of Epidote
0.3km (0.2 miles) ⓘLong Hill Quarry, Haddam, Middlesex County, Connecticut, USA
0.5km (0.3 miles) ⓘNemo's Quarry, Haddam, Middlesex County, Connecticut, USA
1.0km (0.6 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
1.9km (1.2 miles) ⓘHazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘState Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
3.2km (2.0 miles) ⓘThulite locality, Haddam, Middlesex County, Connecticut, USA
4.2km (2.6 miles) ⓘState Route 9 and State Route 81 Interchange, Higganum, Haddam, Middlesex County, Connecticut, USA
9.3km (5.8 miles) ⓘHadlyme, Lyme, New London County, Connecticut, USA
12.0km (7.5 miles) ⓘHaynes Deep River Quarry, Deep River, Middlesex County, Connecticut, USA
References
Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut.
 
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