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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Calcite from
Loučná pod Klínovcem, Chomutov District, Ústí nad Labem Region, Czech Republic


Locality type:Municipality
Classification
Species:Calcite
Formula:CaCO3
Comments:small prismatic crystals to 4mm, found in vugs with analcime, as small rhombs in pale xenolites
Habit:prismatic
Colour:colorless, white
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Confirmed
Confirmation Methods:Wet Chemical
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Loučná pod Klínovcem, Chomutov District, Ústí nad Labem Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:916629
Long-form Identifier:1:3:916629:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.8km (2.4 miles) ⓘPhonolite Quarry (Richter Quarry), Hammerunterwiesenthal, Oberwiesenthal, Erzgebirgskreis, Saxony, Germany
3.9km (2.4 miles) ⓘMarble quarry, Hammerunterwiesenthal, Oberwiesenthal, Erzgebirgskreis, Saxony, Germany
5.0km (3.1 miles) ⓘShaft 281, Hammerunterwiesenthal, Oberwiesenthal, Erzgebirgskreis, Saxony, Germany
5.1km (3.1 miles) ⓘMilíře, Kovářská, Chomutov District, Ústí nad Labem Region, Czech Republic
5.4km (3.4 miles) ⓘStraßburger Glück Mine, Niederschlag, Bärenstein, Erzgebirgskreis, Saxony, Germany
6.9km (4.3 miles) ⓘJan Evangelista vein, Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
6.9km (4.3 miles) ⓘKlement vein, Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
6.9km (4.3 miles) ⓘPlavno mine, Hanušov, Ostrov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
7.4km (4.6 miles) ⓘŠtoly pod Špičákem, Kovářská, Chomutov District, Ústí nad Labem Region, Czech Republic
7.8km (4.8 miles) ⓘVykmanov, Perštejn, Chomutov District, Ústí nad Labem Region, Czech Republic
References
Gramblička, Roman (n.d.) Personal communication.
 
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