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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Oligoclase from
Sławniowice, Gmina Głuchołazy, Nysa County, Opole Voivodeship, Poland


Locality type:Village
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Sławniowice, Gmina Głuchołazy, Nysa County, Opole Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:533261
Long-form Identifier:1:3:533261:8
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
6.5km (4.0 miles) ⓘGranite quarry, Nadziejów, Gmina Otmuchów, Nysa County, Opole Voivodeship, Poland
13.5km (8.4 miles) ⓘMelchior and Tobias adits, Dolní Údolí, Zlaté Hory, Jeseník District, Olomouc Region, Czech Republic
14.3km (8.9 miles) ⓘSkorošice quarry, Skorošice, Jeseník District, Olomouc Region, Czech Republic
27.7km (17.2 miles) ⓘBolesławów, Gmina Stronie Śląskie, Kłodzko County, Lower Silesian Voivodeship, Poland
31.4km (19.5 miles) ⓘHaniak Mountain, Mąkolno, Gmina Złoty Stok, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland
32.5km (20.2 miles) ⓘKluč Hill, Loučná nad Desnou, Šumperk District, Olomouc Region, Czech Republic
32.8km (20.4 miles) ⓘŻmijowiec, Kletno, Gmina Stronie Śląskie, Kłodzko County, Lower Silesian Voivodeship, Poland
32.9km (20.4 miles) ⓘŠvagrov, Vernířovice, Šumperk District, Olomouc Region, Czech Republic
35.3km (21.9 miles) ⓘRasovna (Schinderhübl), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
46.6km (28.9 miles) ⓘMt. Szklana Mine (Szklary pegmatite), Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland
References
Szełęg E., 2002: Na-meionite (scapolite group) from pegmatite vein of the Sławniowice (Eastern Sudetes, Poland). Miner. Polon., Vol. 33, No 1
 
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