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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Siderite from
Monte Valerio, Campiglia Marittima, Livorno Province, Tuscany, Italy


Locality type:Mountain
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Monte Valerio, Campiglia Marittima, Livorno Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:485162
Long-form Identifier:1:3:485162:2
GUID (UUID V4):0
Nearest other occurrences of Siderite
1.9km (1.2 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
3.2km (2.0 miles) ⓘMadonna di Fucinaia (Madonna della Fucinaia) slag heaps, Campiglia Marittima, Livorno Province, Tuscany, Italy
3.9km (2.4 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
4.8km (3.0 miles) ⓘLanzi Mine (Cava del Piombo; Buca del Piombo), Campiglia Marittima, Livorno Province, Tuscany, Italy
7.0km (4.4 miles) ⓘPodere del Cancellino (Podere dei Cancellini) slag locality, Castagneto Carducci, Livorno Province, Tuscany, Italy
9.1km (5.6 miles) ⓘBaratti slag locality, Piombino, Livorno Province, Tuscany, Italy
19.4km (12.1 miles) ⓘMarsiliana slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
25.2km (15.7 miles) ⓘLa Sassa carbonate vein, La Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
25.8km (16.0 miles) ⓘFornacelle and Rio Albano Mines, Cavo, Rio Marina, Rio, Livorno Province, Tuscany, Italy
26.7km (16.6 miles) ⓘAccesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
References
G. Dessau, A. Leonardelli, L. Vighi (1975) - Memorie ill. Carta Mineraria d'Italia: V - Toscana, Mem. descr. Carta Geol. Italia, XIV: 85-114 - Servizio Geologico d'Italia, Roma
 
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