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


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Accesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:949247
Long-form Identifier:1:3:949247:9
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
5.2km (3.2 miles) ⓘCastellaccia Mine, Montoccoli-Castellaccia area (Fosso Zanca-Filone di Montoccoli area; Zanca Valley mines), Massa Marittima, Grosseto Province, Tuscany, Italy
8.5km (5.3 miles) ⓘGavorrano Mine, Gavorrano, Grosseto Province, Tuscany, Italy
10.1km (6.3 miles) ⓘNiccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
14.0km (8.7 miles) ⓘFontalcinaldo, Massa Marittima, Grosseto Province, Tuscany, Italy
16.0km (9.9 miles) ⓘCampiano Mine, Montieri, Grosseto Province, Tuscany, Italy
25.0km (15.5 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
25.9km (16.1 miles) ⓘLanzi Mine (Cava del Piombo; Buca del Piombo), Campiglia Marittima, Livorno Province, Tuscany, Italy
26.4km (16.4 miles) ⓘMontorsi iron ore prospects (Monte Spinosa-North; Monte Spinosa iron deposit), Campiglia Marittima, Livorno Province, Tuscany, Italy
26.7km (16.6 miles) ⓘMonte Valerio, Campiglia Marittima, Livorno Province, Tuscany, Italy
27.0km (16.8 miles) ⓘMaffei Mine, Botro ai Marmi, Campiglia Marittima, Livorno 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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