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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Chalcedony from
Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic


02120770017272724013133.jpg
Chalcedony

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
08467860017366893115467.jpg
Chalcedony, etc.

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
02120770017272724013133.jpg
Chalcedony

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
05758990017272056155533.jpg
Chalcedony, etc.

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
02120770017272724013133.jpg
Chalcedony

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
05758990017272056155533.jpg
Chalcedony, etc.

Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
Locality type:Quarry
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Opal3
- var Cacholong3
Quartz1
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Seč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:677497
Long-form Identifier:1:3:677497:4
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
33.5km (20.8 miles) ⓘBorovec (Borowetz; Borowitz?), Štěpánov nad Svratkou, Žďár nad Sázavou District, Vysočina Region, Czech Republic
34.6km (21.5 miles) ⓘVěžná serpentinite quarry, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
38.1km (23.7 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
39.5km (24.6 miles) ⓘRožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
41.6km (25.8 miles) ⓘU Pustého Mlýna Quarry, Hrubšice, Ivančice, Brno-Country District, South Moravian Region, Czech Republic
54.3km (33.7 miles) ⓘStudnice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
64.4km (40.0 miles) ⓘResidual rocks outcrop, Řípov, Třebíč, Třebíč District, Vysočina Region, Czech Republic
87.4km (54.3 miles) ⓘBučník Hill Quarry, Komňa, Uherské Hradiště District, Zlín Region, Czech Republic
88.2km (54.8 miles) ⓘČerná skála quarry, Proruby, Rychnov nad Kněžnou District, Hradec Králové Region, Czech Republic
91.8km (57.0 miles) ⓘChalcedony occurrence, Langau, Horn District, Lower Austria, Austria
References
King, Van (n.d.) Personal communcation.
 
and/or  
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