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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Chlorite Group from
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:160643
Long-form Identifier:1:3:160643:0
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
4.9km (3.0 miles) ⓘCretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy
10.1km (6.3 miles) ⓘAccesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
20.0km (12.4 miles) ⓘMontecastelli Pisano, Castelnuovo di Val di Cecina, Pisa Province, Tuscany, Italy
26.2km (16.3 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
28.3km (17.6 miles) ⓘMaffei Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
29.1km (18.1 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
37.5km (23.3 miles) ⓘPiombino Promontory, Piombino, Livorno Province, Tuscany, Italy
37.7km (23.4 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
51.1km (31.8 miles) ⓘValle Giove stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
51.4km (31.9 miles) ⓘTorre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Rio, Livorno Province, Tuscany, Italy
References
Brizzi G., Capperi M., Masotti A. - La miniera di pirite di Niccioleta, Massa Marittima (GR) - Rivista Mineralogica Italiana, Milano, Fasc. 4 (1989) e Fasc. 1 - 2(1990)
 
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