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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Garnet Group from
Gulf Quarry, Haddam, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:'Garnet Group' (not an IMA approved species)
Formula:X3Z2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Garnet Group data
Locality Data:Click here to view Gulf Quarry, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920205
Long-form Identifier:1:3:920205:4
GUID (UUID V4):0
Nearest other occurrences of Garnet Group
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
1.3km (0.8 miles) ⓘLong Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA
1.9km (1.2 miles) ⓘSandy Hill, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘState Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
2.3km (1.5 miles) ⓘHill above the parsonage (unnamed feldspar quarry), Haddam, Middlesex County, Connecticut, USA
7.7km (4.8 miles) ⓘHalberg Quarries (Eureka Quarry; Cook Quarry; Gem Stone Quarry), East Hampton, Middlesex County, Connecticut, USA
9.3km (5.8 miles) ⓘHadlyme, Lyme, New London County, Connecticut, USA
12.3km (7.6 miles) ⓘThe Feldspar Corp. Quarry, White Rock Mining District, Middletown, 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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