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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Almandine from
Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Almandine
Formula:Fe32+Al2(SiO4)3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite13
Annite12
Tourmaline9
Chalcopyrite6
Magnetite4
Albite2
Sphalerite2
Muscovite1
Schorl1
Quartz1
Microcline1
Data
Mineral Data:Click here to view Almandine data
Locality Data:Click here to view Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:689498
Long-form Identifier:1:3:689498:6
GUID (UUID V4):0
Nearest other occurrences of Almandine
0.5km (0.3 miles) ⓘLong Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA
0.6km (0.4 miles) ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA
2.0km (1.3 miles) ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
2.2km (1.3 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
2.2km (1.3 miles) ⓘAlmandine schorl and sillimanite locality, Haddam, Middlesex County, Connecticut, USA
3.4km (2.1 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.1km (2.5 miles) ⓘQuarry Hill (Brainerd Quarries; Shailor Quarries), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.4km (2.7 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
5.0km (3.1 miles) ⓘForest Ridge Road, Higganum, Haddam, Middlesex County, Connecticut, USA
References
Shelton, William. (1967): Notes on a Find at Haddam. Rocks and Minerals: 42(7): 502-3.
 
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