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


Classification
Species:'Garnet Group' (not an IMA approved species)
Formula:X3Z2(SiO4)3
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Garnet Group data
Locality Data:Click here to view State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920657
Long-form Identifier:1:3:920657:1
GUID (UUID V4):0
Nearest other occurrences of Garnet Group
1.4km (0.9 miles) ⓘLong Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA
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
3.5km (2.2 miles) ⓘSandy Hill, Haddam, Middlesex County, Connecticut, USA
3.8km (2.4 miles) ⓘHill above the parsonage (unnamed feldspar quarry), Haddam, Middlesex County, Connecticut, USA
9.4km (5.8 miles) ⓘHalberg Quarries (Eureka Quarry; Cook Quarry; Gem Stone Quarry), East Hampton, Middlesex County, Connecticut, USA
9.6km (6.0 miles) ⓘHadlyme, Lyme, New London County, Connecticut, USA
12.9km (8.0 miles) ⓘRockland Preserve, Madison, New Haven 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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