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
Cretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy


Locality type:Outcrop
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 Cretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1089909
Long-form Identifier:1:3:1089909:6
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
4.9km (3.0 miles) ⓘNiccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
8.4km (5.2 miles) ⓘAccesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
23.7km (14.7 miles) ⓘMontecastelli Pisano, Castelnuovo di Val di Cecina, Pisa Province, Tuscany, Italy
29.4km (18.2 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
31.5km (19.6 miles) ⓘMaffei Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
32.2km (20.0 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
39.2km (24.4 miles) ⓘPiombino Promontory, Piombino, Livorno Province, Tuscany, Italy
42.4km (26.3 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
51.8km (32.2 miles) ⓘValle Giove stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
52.0km (32.3 miles) ⓘTorre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Rio, Livorno Province, Tuscany, Italy
References
Bardi, T., Bazzoni, C., Bernocchi, M., Betti, C., Biagioni, C., D'Orazio, M. & Pagani, G. (2017) Cretaio. La vecchia ricerca cuprifera presso Prata, Massa Marittima (GR). Rivista Mineralogica Italiana, 41, 104-118.
 
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