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
Rialdo, Riparbella, 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 Rialdo, Riparbella, Pisa Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:494362
Long-form Identifier:1:3:494362:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
9.3km (5.8 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
9.9km (6.1 miles) ⓘPodere La Veduta (Buriano), Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
10.0km (6.2 miles) ⓘPomaia serpentine quarry, Santa Luce, Pisa Province, Tuscany, Italy
10.3km (6.4 miles) ⓘI Gulfi (Termine), Chianni, Pisa Province, Tuscany, Italy
11.2km (6.9 miles) ⓘI Borboi, Lajatico, Pisa Province, Tuscany, Italy
11.5km (7.1 miles) ⓘVal di Perga, Castellina Marittima, Pisa Province, Tuscany, Italy
12.2km (7.6 miles) ⓘCampo di Sasso, Bibbona, Livorno Province, Tuscany, Italy
12.3km (7.6 miles) ⓘLa Sassa carbonate vein, La Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
12.7km (7.9 miles) ⓘLa Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
14.2km (8.8 miles) ⓘBotro del Confine (La Sassa vein system), La Sassa, Montecatini Val di Cecina, Pisa Province, 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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