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
Pelton's Quarry, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite6
Quartz6
Beryl4
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Pelton's Quarry, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:130229
Long-form Identifier:1:3:130229:5
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.5km (0.3 miles) ⓘSynnott Quarry, Portland, Middlesex County, Connecticut, USA
0.5km (0.3 miles) ⓘPenfield Quarry (Oak Leaf Quarry), Portland, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
2.0km (1.2 miles) ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
2.1km (1.3 miles) ⓘPegmatite prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
2.5km (1.5 miles) ⓘGotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA
2.5km (1.6 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
2.7km (1.6 miles) ⓘCase Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA
2.7km (1.7 miles) ⓘCase Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA
References
Rocks & Min.: 70:403
 
and/or  
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