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


02518920017363094633887.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
01876220017272013075970.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
07154910017272013082271.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
05392120017272013101248.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
05977780017362649163207.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
07397800017363094638690.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
09419780017363094634216.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
01359130017363094642395.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
03528810017363094643848.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
01876220017272013075970.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
07154910017272013082271.jpg
Kupletskite

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
05392120017272013101248.jpg
Kupletskite, etc.

Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Locality type:Quarry
Classification
Species:Kupletskite
Formula:K2NaMn72+Ti2[Si4O12]2O2(OH)4F
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Zircon3
Aegirine2
Analcime2
Orthoclase2
Albite1
Quartz1
Pyrophanite1
Catapleiite1
Astrophyllite1
Data
Mineral Data:Click here to view Kupletskite 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
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:45210
Long-form Identifier:1:3:45210:6
GUID (UUID V4):0
Nearest other occurrences of Kupletskite
6.8km (4.2 miles) ⓘHoliday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
59.1km (36.7 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
59.7km (37.1 miles) ⓘDiamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
References
Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826
Min News (1991) 7:5 pp 4,5
Min News (2000) 16:6 pp 1-5,9
 
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