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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Kutnohorite from
Fuchs Quarry, Hartkoppe, Sailauf, Aschaffenburg District, Lower Franconia, Bavaria, Germany


Locality type:Quarry
Classification
Species:Kutnohorite
Formula:CaMn2+(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Arseniosiderite1
Brandtite1
Data
Mineral Data:Click here to view Kutnohorite data
Locality Data:Click here to view Fuchs Quarry, Hartkoppe, Sailauf, Aschaffenburg District, Lower Franconia, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:59627
Long-form Identifier:1:3:59627:9
GUID (UUID V4):0
References
Lorenz, J. (1991): Die Mineralien im Rhyolithsteinbruch von Sailauf, Der Aufschluss, Vol. 42, 1-38
Lorenz, Joachim (2004) Sailaufit, Rhodochrosit, Kaatialait, Bixbyit, Takanelit, gediegenes Wismut und weitere Neufunde aus dem Rhyolith-Steinbruch in der Hartkoppe bei Sailauf im Spessart (Teil 1) [Sailaufite, Rhodochrosite, Kaatialaite, Bixbyite, Takanelite, native bismuth and other new finds from the rhyolite quarry in the Hartkoppe near Sailauf in the Spessart (Part 1)]. Mineralien-Welt, 15 (4). 21-33
Fusswinkel, Tobias; Wagner, Thomas; Wenzel, Thomas; Wälle, Markus; Lorenz, Joachim (2013) Evolution of unconformity-related Mn-Fe-As vein mineralization, Sailauf (Germany): Insight from major and trace elements in oxide and carbonate minerals. Ore Geology Reviews, 50. 28-51 doi:10.1016/j.oregeorev.2012.08.001
 
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