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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Pyrite from
Sulfur Spring (Sulphur Spring), Haddam, Middlesex County, Connecticut, USA


Locality type:Spring
Classification
Species:Pyrite
Formula:FeS2
Comments:Large crystals imbedded in pyrrhotite; wonderfully perfect cubes and octahedrons.
Habit:cubic and octahedral
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite1
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Sulfur Spring (Sulphur Spring), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:770751
Long-form Identifier:1:3:770751:3
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
1.3km (0.8 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
1.4km (0.9 miles) ⓘGulf Quarry, Haddam, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA
1.7km (1.0 miles) ⓘLong Hill Quarry, Haddam, Middlesex County, Connecticut, USA
1.8km (1.1 miles) ⓘNemo's Quarry, Haddam, Middlesex County, Connecticut, USA
2.1km (1.3 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
2.4km (1.5 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
2.6km (1.6 miles) ⓘState Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
2.7km (1.7 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
References
Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut.
Davis, James W. (1901): The Minerals of Haddam, Conn. Mineral Collector, v. 8, no. 4, pp. 50-54, and no. 5, pp. 65-70.
 
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