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 Mutti, Montieri, Grosseto Province, Tuscany, Italy


06633940017362771621796.jpg
Manganese Dendrites

Poggio Mutti, Montieri, Grosseto Province, Tuscany, Italy
06633940017362771621796.jpg
Manganese Dendrites

Poggio Mutti, Montieri, Grosseto Province, Tuscany, Italy
02566000017272335498585.jpg
Manganese Dendrites

Poggio Mutti, Montieri, Grosseto 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 Mutti, Montieri, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1013443
Long-form Identifier:1:3:1013443:0
GUID (UUID V4):0
Nearest other occurrences of Manganese Oxides
16.6km (10.3 miles) ⓘSerrabottini, Massa Marittima, Grosseto Province, Tuscany, Italy
27.0km (16.8 miles) ⓘLanzi Mine (Cava del Piombo; Buca del Piombo), Campiglia Marittima, Livorno Province, Tuscany, Italy
27.1km (16.8 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
30.1km (18.7 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
40.4km (25.1 miles) ⓘPoggio al Ferro, Chianni, Pisa Province, Tuscany, Italy
40.8km (25.4 miles) ⓘPiombino Promontory, Piombino, Livorno Province, Tuscany, Italy
52.1km (32.4 miles) ⓘBotro dell'Arancio Quarry, Rosignano Marittimo, Livorno Province, Tuscany, Italy
52.7km (32.7 miles) ⓘFortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
53.3km (33.1 miles) ⓘGabbro, Rosignano Marittimo, Livorno Province, Tuscany, Italy
53.4km (33.2 miles) ⓘFornacelle and Rio Albano Mines, Cavo, Rio Marina, Rio, Livorno Province, Tuscany, Italy
References
A.Costantini, G.Pagani (2015) Minerali: bellezze della natura nel parco delle colline metallifere - Tuscan mining geopark . 1-266
 
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