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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Plagioclase from
Alconie Hill, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia


Locality type:Hill
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Alconie Hill, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:557061
Long-form Identifier:1:3:557061:4
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
9.9km (6.2 miles) ⓘSouth Koolka deposit, Kalabity, Pastoral Unincorporated Area, South Australia, Australia
16.8km (10.4 miles) ⓘDomenic Mine, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
25.5km (15.9 miles) ⓘWhite Rock No. 2 pegmatite, White Rock Feldspar Mine, Old Boolcoomata Station, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
25.5km (15.9 miles) ⓘWhite Rock No. 3 pegmatite, White Rock Feldspar Mine, Old Boolcoomata Station, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
27.2km (16.9 miles) ⓘCrocker Well (Crocker's Well; Crockers Well), Mount Victor Plumbago Station, Pastoral Unincorporated Area, South Australia, Australia
28.2km (17.5 miles) ⓘBrady Beryl (Brady Mine), Old Boolcoomata Station, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
29.1km (18.1 miles) ⓘWalparuta Mine, Weekeroo Station, Pastoral Unincorporated Area, South Australia, Australia
29.8km (18.5 miles) ⓘPutt's Well deposit, Bimbowrie Conservation Park, Pastoral Unincorporated Area, South Australia, Australia
34.6km (21.5 miles) ⓘWiperaminga Hill West Quarry, Boolcoomatta Reserve (Boolcoomata Station), Pastoral Unincorporated Area, South Australia, Australia
38.0km (23.6 miles) ⓘWiperaminga Hill (McMahon's Pegmatite; McMahon Quarry; Wiperaminga East; MC 2464; McMahon Feldspar Pty. Ltd; ML 4536), Boolcoomatta Reserve (Boolcoomata Station), Pastoral Unincorporated Area, South Australia, Australia
References
Lottermoser, B. G., Lu, J. (1997) Petrogenesis of rare-element pegmatites in the Olary Block, South Australia, part 1. Mineralogy and chemical evolution. Mineralogy and Petrology, 59 (1) 1-19 doi:10.1007/bf01163059
 
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