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
State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA


Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920661
Long-form Identifier:1:3:920661:8
GUID (UUID V4):0
Nearest other occurrences of Epidote
1.8km (1.1 miles) ⓘNemo's Quarry, Haddam, Middlesex County, Connecticut, USA
1.9km (1.2 miles) ⓘLong Hill Quarry, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘGulf Quarry, Haddam, Middlesex County, Connecticut, USA
3.1km (1.9 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
3.4km (2.1 miles) ⓘHazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA
4.1km (2.5 miles) ⓘState Route 9 and State Route 81 Interchange, Higganum, Haddam, Middlesex County, Connecticut, USA
4.4km (2.7 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.7km (2.9 miles) ⓘThulite locality, Haddam, Middlesex County, Connecticut, USA
9.6km (6.0 miles) ⓘHadlyme, Lyme, New London County, Connecticut, USA
10.7km (6.7 miles) ⓘHaynes Deep River Quarry, Deep River, Middlesex County, Connecticut, USA
References
Lundgren, Lawrence Jr. (1979) The Bedrock Geology of the Haddam Quadrangle. Quadrangle Report 37.. State Geological and Natural History Survey of Connecticutp.37
 
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