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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Edenite from
Phlegraean Fields, Metropolitan City of Naples, Campania, Italy


00165370017433830619689.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
04718730017433830618960.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
00165370017433830619689.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
00376740017272003303940.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
01308170017272043383286.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
00376740017272003303940.jpg
Edenite

Torregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
Locality type:Caldera
Classification
Species:Edenite
Formula:NaCa2Mg5(Si7Al)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Edenite data
Locality Data:Click here to view Phlegraean Fields, Metropolitan City of Naples, Campania, Italy
Data Identifiers
Mindat Occurrence Record ID:1387749
Long-form Identifier:1:3:1387749:3
GUID (UUID V4):0
References
Di Vito, Mauro, Lirer, Lucio, Mastrolorenzo, Giuseppe, Rolandi, Giuseppe (1987) The 1538 Monte Nuovo eruption (Campi Flegrei, Italy). Bulletin of Volcanology, 49 (4). 608-615 doi:10.1007/bf01079966
Rosi, M., & Sbrana, A. (1987). Petrography. Quaderni de La Ricerca Scientifica, 9(114), 60-80.
Orsi, G., Civetta, L., D'Antonio, M., Di Girolamo, P., Piochi, M. (1995) Step-filling and development of a three-layer magma chamber: the Neapolitan Yellow Tuff case history. Journal of Volcanology and Geothermal Research, 67 (4) 291-312 doi:10.1016/0377-0273(94)00119-2
D'Antonio, M, Civetta, L, Orsi, G, Pappalardo, L, Piochi, M, Carandente, A, de Vita, S, Di Vito, M.A, Isaia, R (1999) The present state of the magmatic system of the Campi Flegrei caldera based on a reconstruction of its behavior in the past 12 ka. Journal of Volcanology and Geothermal Research, 91 (2) 247-268 doi:10.1016/s0377-0273(99)00038-4
D'Antonio, M., Civetta, L., Di Girolamo, P. (1999) Mantle source heterogeneity in the Campanian Region (South Italy) as inferred from geochemical and isotopic features of mafic volcanic rocks with shoshonitic affinity. Mineralogy and Petrology, 67 (3) 163-192 doi:10.1007/bf01161520
Di Vito, M.A, Isaia, R, Orsi, G, Southon, J, de Vita, S, D'Antonio, M, Pappalardo, L, Piochi, M (1999) Volcanism and deformation since 12,000 years at the Campi Flegrei caldera (Italy) Journal of Volcanology and Geothermal Research, 91 (2) 221-246 doi:10.1016/s0377-0273(99)00037-2
Pappalardo, L, Civetta, L, D'Antonio, M, Deino, A, Di Vito, M, Orsi, G, Carandente, A, de Vita, S, Isaia, R, Piochi, M (1999) Chemical and Sr-isotopical evolution of the Phlegraean magmatic system before the Campanian Ignimbrite and the Neapolitan Yellow Tuff eruptions. Journal of Volcanology and Geothermal Research, 91 (2) 141-166 doi:10.1016/s0377-0273(99)00033-5
Signorelli, Stefano, Vaggelli, Gloria, Francalanci, Lorella, Rosi, Mauro (1999) Origin of magmas feeding the Plinian phase of the Campanian Ignimbrite eruption, Phlegrean Fields (Italy): constraints based on matrix-glass and glass-inclusion compositions. Journal of Volcanology and Geothermal Research, 91 (2) 199-220 doi:10.1016/s0377-0273(99)00036-0
De Vivo, B., Rolandi, G., Gans, P. B., Calvert, A., Bohrson, W. A., Spera, F. J., Belkin, H. E. (2001) New constraints on the pyroclastic eruptive history of the Campanian volcanic Plain (Italy) Mineralogy and Petrology, 73 (1) 47-65 doi:10.1007/s007100170010
Signorelli, S., Vaggelli, G., Romano, C., Carroll, M. (2001) Volatile element zonation in Campanian Ignimbrite magmas (Phlegrean Fields, Italy): evidence from the study of glass inclusions and matrix glasses. Contributions to Mineralogy and Petrology, 140 (5) 543-553 doi:10.1007/s004100000213
PAPPALARDO, L. (2002) Evidence for Multi-stage Magmatic Evolution during the past 60 kyr at Campi Flegrei (Italy) Deduced from Sr, Nd and Pb Isotope Data. Journal of Petrology, 43 (8) 1415-1434 doi:10.1093/petrology/43.8.1415
Deino, Alan L, Orsi, Giovanni, de Vita, Sandro, Piochi, Monica (2004) The age of the Neapolitan Yellow Tuff caldera-forming eruption (Campi Flegrei caldera – Italy) assessed by 40Ar/39Ar dating method. Journal of Volcanology and Geothermal Research, 133 (1) 157-170 doi:10.1016/s0377-0273(03)00396-2
(2005) Plio-Quaternary Volcanism in Italy. Springer-Verlag. doi:10.1007/3-540-29092-3
Fowler, Sarah J., Spera, Frank J., Bohrson, Wendy A., Belkin, Harvey E., De Vivo, Benedetto (2007) Phase Equilibria Constraints on the Chemical and Physical Evolution of the Campanian Ignimbrite. Journal of Petrology, 48 (3) 459-493 doi:10.1093/petrology/egl068
Pappalardo, Lucia, Ottolini, Luisa, Mastrolorenzo, Giuseppe (2008) The Campanian Ignimbrite (southern Italy) geochemical zoning: insight on the generation of a super-eruption from catastrophic differentiation and fast withdrawal. Contributions to Mineralogy and Petrology, 156 (1) 1-26 doi:10.1007/s00410-007-0270-0
Di Renzo, V., Arienzo, I., Civetta, L., D'Antonio, M., Tonarini, S., Di Vito, M.A., Orsi, G. (2011) The magmatic feeding system of the Campi Flegrei caldera: Architecture and temporal evolution. Chemical Geology, 281 (3) 227-241 doi:10.1016/j.chemgeo.2010.12.010
Fedele, L., Insinga, D. D., Calvert, A. T., Morra, V., Perrotta, A., Scarpati, C. (2011) 40Ar/39Ar dating of tuff vents in the Campi Flegrei caldera (southern Italy): toward a new chronostratigraphic reconstruction of the Holocene volcanic activity. Bulletin of Volcanology, 73 (9). 1323-1336 doi:10.1007/s00445-011-0478-8
Guidoboni, Emanuela, Ciuccarelli, Cecilia (2011) The Campi Flegrei caldera: historical revision and new data on seismic crises, bradyseisms, the Monte Nuovo eruption and ensuing earthquakes (twelfth century 1582 ad). Bulletin of Volcanology, 73 (6). 655-677 doi:10.1007/s00445-010-0430-3
MELLUSO, LEONE, DE' GENNARO, ROBERTO, FEDELE, LORENZO, FRANCIOSI, LUIGI, MORRA, VINCENZO (2012) Evidence of crystallization in residual, Cl–F-rich, agpaitic, trachyphonolitic magmas and primitive Mg-rich basalt–trachyphonolite interaction in the lava domes of the Phlegrean Fields (Italy) Geological Magazine, 149 (3) 532-550 doi:10.1017/s0016756811000902
Selva, Jacopo, Orsi, Giovanni, Di Vito, Mauro Antonio, Marzocchi, Warner, Sandri, Laura (2012) Probability hazard map for future vent opening at the Campi Flegrei caldera, Italy. Bulletin of Volcanology, 74 (2). 497-510 doi:10.1007/s00445-011-0528-2
Ricci, T., Barberi, F., Davis, M.S., Isaia, R., Nave, R. (2013) Volcanic risk perception in the Campi Flegrei area. Journal of Volcanology and Geothermal Research, 254. 118-130 doi:10.1016/j.jvolgeores.2013.01.002
SCARPATI, CLAUDIO, PERROTTA, ANNAMARIA, LEPORE, SIMONE, CALVERT, ANDREW (2013) Eruptive history of Neapolitan volcanoes: constraints from 40Ar–39Ar dating. Geological Magazine, 150 (3) 412-425 doi:10.1017/s0016756812000854
 
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