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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Naumannite from
Băiţa mining district, Nucet, Bihor County, Romania


Locality type:Mining District
Classification
Species:Naumannite
Formula:Ag2Se
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Naumannite data
Locality Data:Click here to view Băiţa mining district, Nucet, Bihor County, Romania
Data Identifiers
Mindat Occurrence Record ID:975557
Long-form Identifier:1:3:975557:4
GUID (UUID V4):0
Nearest other occurrences of Naumannite
66.6km (41.4 miles) ⓘSăcărâmb, Certeju de Sus, Hunedoara County, Romania
References
Cook, N. J.; Ciobanu, C. L.; Bogdanov, K. (2002) Trace mineralogy of the Upper Cretaceous banatitic Magmatic and metallogenetic Belt, SE Europe. 11th Quadrennial IAGOD symposium–Geocongress 2002, ume.
Cook, Nigel J., Ciobanu, Cristiana L. (2003) Cervelleite, Ag4TeS, from three localities in Romania, substitution of Cu, and the occurrence of the associated phase, Ag2Cu2TeS. Neues Jahrbuch für Mineralogie - Monatshefte, 2003 (7). 321-336 doi:10.1127/0028-3649/2003/2003-0321
 
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