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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Illite from
Straßburger Glück Mine, Niederschlag, Bärenstein, Erzgebirgskreis, Saxony, Germany


Locality type:Mine
Classification
Species:Muscovite var: Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Illite data
Locality Data:Click here to view Straßburger Glück Mine, Niederschlag, Bärenstein, Erzgebirgskreis, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:77733
Long-form Identifier:1:3:77733:3
GUID (UUID V4):0
Nearest other occurrences of Illite
12.2km (7.6 miles) ⓘSvornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
12.5km (7.7 miles) ⓘUranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirgskreis, Saxony, Germany
14.0km (8.7 miles) ⓘVykmanov, Ostrov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
14.7km (9.2 miles) ⓘPöhla-Tellerhäuser Mine, Pöhla, Schwarzenberg, Erzgebirgskreis, Saxony, Germany
18.0km (11.2 miles) ⓘGelbe Birke Mine, Beierfeld, Grünhain-Beierfeld, Erzgebirgskreis, Saxony, Germany
27.6km (17.1 miles) ⓘThermal springs area, Karlovy Vary, Karlovy Vary District, Karlovy Vary Region, Czech Republic
38.1km (23.7 miles) ⓘTisová, Kraslice, Sokolov District, Karlovy Vary Region, Czech Republic
45.2km (28.1 miles) ⓘJeroným Mine, Čistá, Rovná, Sokolov District, Karlovy Vary Region, Czech Republic
49.5km (30.7 miles) ⓘHorní Luby deposit, Horní Luby, Luby, Cheb District, Karlovy Vary Region, Czech Republic
53.6km (33.3 miles) ⓘMoldava deposit, Moldava, Teplice District, Ústí nad Labem Region, Czech Republic
References
Martin, Mirko; Schlegel, Fritz; Siemroth, Jürgen (1994) Das Bergbaurevier Niederschlag bei Oberwiesenthal: Seltene Kupferarsenate aus dem Sächsischen Erzgebirge [The Niederschlag mining area near Oberwiesenthal: Rare copper arsenates from the Saxon Ore Mountains]. Lapis, 19 (4). 13-22; 50
 
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