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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Manganese Oxides from
Poggio al Ferro, Chianni, Pisa Province, Tuscany, Italy


Locality type:Mountain
Classification
Species:'Manganese Oxides' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Manganese Oxides data
Locality Data:Click here to view Poggio al Ferro, Chianni, Pisa Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:494134
Long-form Identifier:1:3:494134:7
GUID (UUID V4):0
Nearest other occurrences of Manganese Oxides
14.7km (9.1 miles) ⓘGabbro, Rosignano Marittimo, Livorno Province, Tuscany, Italy
16.7km (10.4 miles) ⓘFortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
16.9km (10.5 miles) ⓘBotro dell'Arancio Quarry, Rosignano Marittimo, Livorno Province, Tuscany, Italy
18.9km (11.7 miles) ⓘValle Benedetta, Livorno, Livorno Province, Tuscany, Italy
39.4km (24.5 miles) ⓘLanzi Mine (Cava del Piombo; Buca del Piombo), Campiglia Marittima, Livorno Province, Tuscany, Italy
40.4km (25.1 miles) ⓘPoggio Mutti, Montieri, Grosseto Province, Tuscany, Italy
40.9km (25.4 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
42.0km (26.1 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
52.9km (32.9 miles) ⓘSerrabottini, Massa Marittima, Grosseto Province, Tuscany, Italy
55.0km (34.2 miles) ⓘPiombino Promontory, Piombino, Livorno Province, Tuscany, Italy
References
Orlandi P., (2005). Geositi minerari e mineralogici della provincia di Pisa. In: La geologia della provincia di Pisa. Cartografia, geositi e banche dati, Provincia di Pisa, Italy, pp. 55-280.
 
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