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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K Feldspar from
Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA


Locality type:Quarry
Classification
Species:'K Feldspar' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view K Feldspar data
Locality Data:Click here to view Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:607389
Long-form Identifier:1:3:607389:3
GUID (UUID V4):0
Nearest other occurrences of K Feldspar
2.8km (1.7 miles) ⓘGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
59.6km (37.0 miles) ⓘPerryville carbonatite dike, Perry County, Arkansas, USA
62.0km (38.5 miles) ⓘHogan-Green Mine, Paron, Saline County, Arkansas, USA
64.1km (39.8 miles) ⓘHamilton Hill Mine, Jessieville, Garland County, Arkansas, USA
65.7km (40.8 miles) ⓘMorrilton Carbonatite Dike, Conway County, Arkansas, USA
69.7km (43.3 miles) ⓘYoung-Merriott Mine, Jessieville, Garland County, Arkansas, USA
76.5km (47.5 miles) ⓘLittle Utley Mountain, Jessieville, Garland County, Arkansas, USA
84.2km (52.3 miles) ⓘMiller Mountain Mine, Blue Springs, Garland County, Arkansas, USA
95.0km (59.0 miles) ⓘAvant Mine, Avant, Garland County, Arkansas, USA
References
Mineralogical Magazine 1984 48 : 93-96.
 
and/or  
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