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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Calcite from
I Borboi, Lajatico, Pisa Province, Tuscany, Italy


Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view I Borboi, Lajatico, Pisa Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:494196
Long-form Identifier:1:3:494196:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.2km (3.3 miles) ⓘI Gulfi (Termine), Chianni, Pisa Province, Tuscany, Italy
6.1km (3.8 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
9.3km (5.8 miles) ⓘPodere La Veduta (Buriano), Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
11.2km (6.9 miles) ⓘRialdo, Riparbella, Pisa Province, Tuscany, Italy
11.7km (7.3 miles) ⓘPomaia serpentine quarry, Santa Luce, Pisa Province, Tuscany, Italy
15.1km (9.4 miles) ⓘIano (Jano), Montaione, Metropolitan City of Florence, Tuscany, Italy
15.8km (9.8 miles) ⓘLa Striscia, Il Castagno, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy
16.1km (10.0 miles) ⓘFornaci di Montignoso Quarry (Bi.Bru Quarry), Montaione, Metropolitan City of Florence, Tuscany, Italy
17.0km (10.6 miles) ⓘVal di Perga, Castellina Marittima, Pisa Province, Tuscany, Italy
18.2km (11.3 miles) ⓘCetine di Camporbiano Mine (Le Cetine; Cetine di Volterra; Cetine di Gambassi), Podere Giuseppe, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy
References
Orlandi P., (2005). Geositi minerari e mineralogici della provincia di Pisa. In: La geologia della provincia di Pisa. Cartografia, geositi e banche dati, Provincia di Pisa, Italy, pp. 55-280.
 
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