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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Apophyllite Group from
Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


Locality type:Pegmatite
Classification
Species:'Apophyllite Group' (not an IMA approved species)
Formula:AB4[Si8O20]X · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Apophyllite Group data
Locality Data:Click here to view Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:41574
Long-form Identifier:1:3:41574:3
GUID (UUID V4):0
Nearest other occurrences of Apophyllite Group
1.5km (1.0 miles) ⓘRožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
58.6km (36.4 miles) ⓘHolý hill, Meziříčko, Třebíč District, Vysočina Region, Czech Republic
72.8km (45.2 miles) ⓘMarkovice quarry, Žleby, Kutná Hora District, Central Bohemian Region, Czech Republic
72.8km (45.3 miles) ⓘHorky vein, Horky, Kutná Hora District, Central Bohemian Region, Czech Republic
88.2km (54.8 miles) ⓘMalešov deposit, Malešov, Kutná Hora District, Central Bohemian Region, Czech Republic
89.3km (55.5 miles) ⓘSedm Dvorů, Vernířovice, Šumperk District, Olomouc Region, Czech Republic
References
 
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