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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K Feldspar from
Poggio al Montone, Montoccoli-Castellaccia area (Fosso Zanca-Filone di Montoccoli area; Zanca Valley mines), Massa Marittima, Grosseto Province, Tuscany, Italy


Classification
Species:'K Feldspar' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view K Feldspar data
Locality Data:Click here to view Poggio al Montone, Montoccoli-Castellaccia area (Fosso Zanca-Filone di Montoccoli area; Zanca Valley mines), Massa Marittima, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1013547
Long-form Identifier:1:3:1013547:5
GUID (UUID V4):0
Nearest other occurrences of K Feldspar
4.2km (2.6 miles) ⓘNiccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
4.3km (2.7 miles) ⓘFenice Capanne Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
14.3km (8.9 miles) ⓘGavorrano Mine, Gavorrano, Grosseto Province, Tuscany, Italy
27.7km (17.2 miles) ⓘMaffei Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
27.7km (17.2 miles) ⓘMontorsi Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
45.5km (28.3 miles) ⓘCape Pero, Cavo, Rio Marina, Rio, Livorno Province, Tuscany, Italy
46.1km (28.7 miles) ⓘOrciatico, Lajatico, Pisa Province, Tuscany, Italy
48.0km (29.8 miles) ⓘVigneria stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
48.3km (30.0 miles) ⓘValle Giove stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
48.5km (30.1 miles) ⓘTorre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Rio, Livorno Province, Tuscany, Italy
References
Bazzoni C., Mangoni G., Capperi M., Bernocchi M. (2011): Montoccoli-Castellaccia: I minerali delle miniere nella valle del torrente Zanca (Grosseto). Riv. Mineral. Ital., 35, 2 (2-2011), 76-89.
 
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