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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Covellite from
Accesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Covellite
Formula:CuS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Covellite data
Locality Data:Click here to view Accesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:949252
Long-form Identifier:1:3:949252:3
GUID (UUID V4):0
Nearest other occurrences of Covellite
1.8km (1.1 miles) ⓘSerrabottini, Massa Marittima, Grosseto Province, Tuscany, Italy
4.3km (2.7 miles) ⓘArialla slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
6.0km (3.7 miles) ⓘPoggio al Montone, Montoccoli-Castellaccia area (Fosso Zanca-Filone di Montoccoli area; Zanca Valley mines), Massa Marittima, Grosseto Province, Tuscany, Italy
6.4km (4.0 miles) ⓘForra slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
7.0km (4.4 miles) ⓘCascata slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
7.6km (4.7 miles) ⓘMarsiliana slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
8.4km (5.2 miles) ⓘCretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy
15.4km (9.6 miles) ⓘBoccheggiano mines, Montieri, Grosseto Province, Tuscany, Italy
16.0km (9.9 miles) ⓘCampiano Mine, Montieri, Grosseto Province, Tuscany, Italy
17.8km (11.0 miles) ⓘPodere Montevecchio (Podere Montevecchio Mine; Miniera della Sambuca), Gerfalco, Montieri, Grosseto Province, Tuscany, Italy
References
Dill, H. (1979) Lagerstättenkundliche Untersuchungen zur Entstehung der Pyrit-führenden Blei-Kupfer-Zink-Lagerstätte Accesa (SW-Toskana). Mineralium Deposita, 14 (1). 57-80 doi:10.1007/bf00201867
 
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