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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Heulandite Subgroup from
Lesní Čtvrť, Vápenná, Jeseník District, Olomouc Region, Czech Republic


Locality type:Deposit
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Lesní Čtvrť, Vápenná, Jeseník District, Olomouc Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:487335
Long-form Identifier:1:3:487335:8
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
11.8km (7.3 miles) ⓘHahnwald, Velká Kraš, Jeseník District, Olomouc Region, Czech Republic
16.2km (10.1 miles) ⓘZálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic
19.9km (12.3 miles) ⓘVidly deposit, Vidly, Vrbno pod Pradědem, Bruntál District, Moravian-Silesian Region, Czech Republic
23.8km (14.8 miles) ⓘSedm Dvorů, Vernířovice, Šumperk District, Olomouc Region, Czech Republic
24.2km (15.1 miles) ⓘRasovna (Schinderhübl), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
25.4km (15.8 miles) ⓘKočičí skalka, Vernířovice, Šumperk District, Olomouc Region, Czech Republic
27.1km (16.9 miles) ⓘFarský důl (Pfarrerb), Sobotín, Šumperk District, Olomouc Region, Czech Republic
28.1km (17.5 miles) ⓘFarský vrch (Viebich), Sobotín, Šumperk District, Olomouc Region, Czech Republic
30.5km (19.0 miles) ⓘOstředek (Mittelberg), Šumperk, Šumperk District, Olomouc Region, Czech Republic
46.7km (29.0 miles) ⓘKamieniec melaphyre quarry, Kamieniec, Gmina Kłodzko, Kłodzko County, Lower Silesian Voivodeship, Poland
References
Kruta, T.: Mineralogicke a loziskove pomery v Lesni Ctvrti u Vapenne ve Slezsku. Acta Musei Moraviae, Scientiae Geologicae, 1961, roč. 46, s. 5 - 20.
 
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