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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Sanidine from
Monte di Procida, Metropolitan City of Naples, Campania, Italy


Locality type:Commune
Classification
Species:Sanidine
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sanidine data
Locality Data:Click here to view Monte di Procida, Metropolitan City of Naples, Campania, Italy
Data Identifiers
Mindat Occurrence Record ID:538757
Long-form Identifier:1:3:538757:1
GUID (UUID V4):0
Localities for Sanidine in this Region
Breccia Museo pyroclastic deposit, Monte di Procida, Metropolitan City of Naples, Campania, Italy
Nearest other occurrences of Sanidine
1.5km (0.9 miles) ⓘTorregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
3.5km (2.2 miles) ⓘPunta della Lingua, Procida Island, Metropolitan City of Naples, Campania, Italy
4.7km (2.9 miles) ⓘPozzo Vecchio, Procida Island, Metropolitan City of Naples, Campania, Italy
7.2km (4.5 miles) ⓘFondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
9.0km (5.6 miles) ⓘSolfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
9.1km (5.7 miles) ⓘMonte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
13.7km (8.5 miles) ⓘPianura, Naples, Metropolitan City of Naples, Campania, Italy
14.2km (8.8 miles) ⓘSoccavo, Naples, Metropolitan City of Naples, Campania, Italy
14.7km (9.1 miles) ⓘCaccaviello Quarry, Forio, Ischia Island, Metropolitan City of Naples, Campania, Italy
27.7km (17.2 miles) ⓘSan Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
References
Mazzi, Fiorenzo, Munno, Rosalba (1983) Calciobetafite (new mineral of the pyrochlore group) and related minerals from Campi Flegrei, Italy; crystal structures of polymignyte and zirkelite: comparison with pyrochlore and zirconolite. American Mineralogist, 68 (1-2) 262-276
 
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