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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Anhydrite from
Fornaci di Montignoso Quarry (Bi.Bru Quarry), Montaione, Metropolitan City of Florence, Tuscany, Italy


Locality type:Quarry
Classification
Species:Anhydrite
Formula:CaSO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anhydrite data
Locality Data:Click here to view Fornaci di Montignoso Quarry (Bi.Bru Quarry), Montaione, Metropolitan City of Florence, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1237010
Long-form Identifier:1:3:1237010:6
GUID (UUID V4):0
Nearest other occurrences of Anhydrite
37.5km (23.3 miles) ⓘVerruca Mt. (Verruca Mt quartz veins system), Calci, Pisa Province, Tuscany, Italy
41.0km (25.5 miles) ⓘMonte Serra (Cascetto-Costa Moriglione quartz veins system), Capannori, Monti Pisani, Lucca Province, Tuscany, Italy
45.4km (28.2 miles) ⓘCampiano Mine, Montieri, Grosseto Province, Tuscany, Italy
46.0km (28.6 miles) ⓘNiccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
46.6km (29.0 miles) ⓘBoccheggiano mines, Montieri, Grosseto Province, Tuscany, Italy
55.1km (34.3 miles) ⓘMontioni, Suvereto, Livorno Province, Tuscany, Italy
55.7km (34.6 miles) ⓘAccesa mine, Massa Marittima, Grosseto Province, Tuscany, Italy
64.8km (40.3 miles) ⓘBaratti slag locality, Piombino, Livorno Province, Tuscany, Italy
91.5km (56.8 miles) ⓘLa Piastra Quarry, Torano quarrying basin, Carrara, Massa-Carrara Province, Tuscany, Italy
94.0km (58.4 miles) ⓘCamporanda, Sillano, Garfagnana, Lucca Province, Tuscany, Italy
References
Betti, C., Bazzoni, C., Bernocchi, M., Pagani, G., Ciriotti, M.E., Bittarello, E., Batoni, M., Batacchi, C. (2017) Poggio del Cornocchio e dintorni (Firenze - Pisa - Siena): storia, miniere e minerali di una zona poco conosciuta [Poggio del Cornocchio and surroundings (Florence - Pisa - Siena): history, mines and minerals of a little-known area]. Micro, 15 (1). 2-43
 
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