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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Umangite from
Tilkerode mining district, Mansfeld, Mansfeld-Südharz, Saxony-Anhalt, Germany


Locality type:Mining District
Classification
Species:Umangite
Formula:Cu3Se2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Zorgite2
Clausthalite2
Calcite2
Data
Mineral Data:Click here to view Umangite data
Locality Data:Click here to view Tilkerode mining district, Mansfeld, Mansfeld-Südharz, Saxony-Anhalt, Germany
Data Identifiers
Mindat Occurrence Record ID:96837
Long-form Identifier:1:3:96837:9
GUID (UUID V4):0
Nearest other occurrences of Umangite
13.6km (8.4 miles) ⓘGreywacke quarry, Rieder, Ballenstedt, Harz, Saxony-Anhalt, Germany
47.1km (29.3 miles) ⓘBrummerjan Mine, Zorge, Walkenried, Göttingen District, Lower Saxony, Germany
54.0km (33.5 miles) ⓘRoter Bär Mine, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
69.3km (43.1 miles) ⓘWeintraube Mine, Lerbach, Osterode am Harz, Göttingen District, Lower Saxony, Germany
76.5km (47.5 miles) ⓘTrogtal Quarries, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
References
Tischendorf, G. (1969). Sources of elements in selenide mineralization near Tilkerode (Harz). International Geology Review, 11(11), 1298-1301.
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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