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
Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


04903070017271991103002.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
02803220017685715306266.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
04903070017271991103002.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
02486800017681716869373.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
04903070017271991103002.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
01152520017681717039943.jpg
Umangite, etc.

Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Locality type:Mine
Classification
Species:Umangite
Formula:Cu3Se2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Eskebornite2
Berzelianite2
Calcite1
Data
Mineral Data:Click here to view Umangite data
Locality Data:Click here to view Habři Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:108580
Long-form Identifier:1:3:108580:8
GUID (UUID V4):0
Nearest other occurrences of Umangite
4.6km (2.9 miles) ⓘBukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
7.7km (4.8 miles) ⓘZlatkov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
11.6km (7.2 miles) ⓘRozsochy Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
18.2km (11.3 miles) ⓘPetrovice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
References
Kvaček, M. (1979) Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica: 23(1-2): 15-38.
Simon, Grigore, Kesler, Stephen E., Essene, Eric J. (1997) Phase relations among selenides, tellurides, and oxides; II, Applications to selenide-bearing ore deposits. Economic Geology, 92 (4) 468-484 doi:10.2113/gsecongeo.92.4.468
 
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