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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Microcline from
Long-lot Quarry, Haddam, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Microcline
Formula:K(AlSi3O8)
Comments:In pockets with beryl.
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Long-lot Quarry, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920246
Long-form Identifier:1:3:920246:7
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.4km (0.3 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
0.9km (0.5 miles) ⓘGulf Quarry, Haddam, Middlesex County, Connecticut, USA
1.2km (0.7 miles) ⓘLong Hill Quarry, Haddam, Middlesex County, Connecticut, USA
1.3km (0.8 miles) ⓘNemo's Quarry, Haddam, Middlesex County, Connecticut, USA
1.4km (0.9 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘCivilian Conservation Corps Quarry (CCC Quarry; Smith Quarry; Turkey Hill quarry lot), Haddam, Middlesex County, Connecticut, USA
1.7km (1.1 miles) ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA
2.0km (1.2 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
2.1km (1.3 miles) ⓘLong Hill prospects (Turkey Hill prospects), Haddam, 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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