 | | Journal (article/letter/editorial) | | Variable water content of nepheline from Somma-Vesuvio, Italy G. B a l a s s o n e 1 a n d A. B e r a...della Terra, Universitfi degli Studi di Napoli, Italy 2 Institut fiJr Mineralogie und Kristallographie...subvolcanic and metamorphic parageneses of Somma-Vesuvio, Italy was studied by polarized FTIR microspectrometry...paragenesis of Somma-Vesuvio. Zusammenfassung Variabler Wassergehalt im Nephelin vom Somma-Vesuvio, Italien...subvulkanischen und metamorphen Paragenesen vom Somma-Vesuvio, Italien wurde mittels polarisierter FT |  | Balassone, Giuseppina, Kahlenberg, Volker, Altomare, Angela, Mormone, Angela, Rizzi, Rosanna, Saviano, Michele, Mondillo, Nicola (2014) Nephelines from the Somma-Vesuvius volcanic complex (Southern Italy): crystal-chemical, structural and genetic investigations. Mineralogy and Petrology, 108 (1) 71-90 doi:10.1007/s00710-013-0290-6 | Journal (article/letter/editorial) | | PAPER Nephelines from the Somma-Vesuvius volcanic complex (Southern Italy): crystal-chemical, structural...type-locality, the SommaVesuvius volcanic complex (southern Italy), and investigated for their chemistry...Napoli Federico II, Via Mezzocannone 8, 80134 Naples, Italy e-mail: balasson@unina.it V. Kahlenberg Institut...70126 Bari, Italy A. Mormone INGV Osservatorio Vesuviano, Via Diocleziano 328, 80124 Naples, Italy group...equilibrium behaviour. The Somma-Vesuvius volcanic complex (Southern Italy) is the type locality of nepheline |  | Balassone, Giuseppina, Beran, Anton, Fameli, Giuseppe, Amalfitano, Carmine, Petti, Carmela (2006) The hydrous component in leucite from Somma-Vesuvius and Roccamonfina volcanoes (southern Italy) – a FTIR spectroscopic investigation. Neues Jahrbuch für Mineralogie - Abhandlungen, 182 (2) 149-156 doi:10.1127/0077-7757/2006/0037 | Journal (article/letter/editorial) | | component in leucite from Somma-Vesuvius and Roccamonfina volcanoes (southern Italy) – a FTIR spectroscopic...different host rocks of Somma-Vesuvius and Roccamonfina volcanoes (southern Italy) are reported. All leucite...cm –1 represents the typical spectrum of the Somma-Vesuvius samples, whereas type 2, revealing two additional...crystals. Key words: leucite, trace hydrogen, Somma-Vesuvius, Roccamonfina, FTIR spectroscopy. Introduction...rifting, generally of Tertiary to recent age. In Italy, this feldspathoid occurs in the Roman Comagmatic |  | Tomlinson, Emma L., Arienzo, Ilenia, Civetta, Lucia, Wulf, Sabine, Smith, Victoria C., Hardiman, Mark, Lane, Christine S., Carandente, Antonio, Orsi, Giovanni, Rosi, Mauro, Müller, Wolfgang, Menzies, Martin A. (2012) Geochemistry of the Phlegraean Fields (Italy) proximal sources for major Mediterranean tephras: Implications for the dispersal of Plinian and co-ignimbritic components of explosive eruptions. Geochimica et Cosmochimica Acta, 93. 102-128 doi:10.1016/j.gca.2012.05.043 | Journal (article/letter/editorial) | | com/locate/gca Geochemistry of the Phlegraean Fields (Italy) proximal sources for major Mediterranean tephras:...Napoli, Italy c Dipartimento di Scienze Fisiche, Università di Napoli Federico II, Napoli, Italy d GFZ...Scienze della Terra, Università di Pisa, Pisa, Italy b Received 15 November 2011; accepted in revised...Abstract Volcanic activity at Phlegraean Fields, Italy, produced several major marker tephras over a 50...trace elements do show significant overlap. The complex compositional overlap between Pre-NYT tephras may |  | | Catalog/List | | crystal section in Albite with Ilmenite and or Magnetite. (Tuftane Evje Norway) lxl to lx 54 only 1 crystal...crystal sections in quartz (St Marcel. Piedmont, Italy) lxl £1.20 1x2 £2 2x2 £4.00 245 FLUORITE cut and...£2 189 IDOCRASE rich brown masses (Vai d'Aosta, Italy) 1x1 60p 1x2 £1 2x2 £2 2x3 £3 301 OPAL variety...crystals in cavities in Basalt. (Lagno Amendolare, Mt Somma, Naples Italy) Ji x Ji £4 295 NATROLITE orange...Mordenite. (Zallinger Palaccia, Alpe di Siusi, Bolzano Italy) 1x1 ins £5 408 THOMSONITE Zeolite group grey crystallised |  | | Catalog/List | | crystal section in Albite with Ilmenite and or Magnetite. (Tuftane Evje Norway) 1x1 to lx K only 1 crystal...crystal sections in quartz (St Marcel. Piedmont, Italy) lxl £1.20 1x2 £2 2x2 £4.00 4 164 BERYL Be Al...£2 189 IDOCRASE rich brown masses (Vai d'Aosta, Italy) 1X1 60p 1x2 £1 2x2 £2 2x3 £3 245 FLUORITE cut and...crystals in cavities in Basalt. (Lagno Amendolare, Mt Somma,. "'p'es’ Italy) 54 x 54 £4 295 NATROLITE orange...CaviticrIn Basalt. (Vitiello Quarry, near Terzigno, Vesuvius Italy) 1 x l/2ins £5 1/2 x 1/2 £2.50 . 408 THOMSONITE |  | | Catalog/List | | crystal section in Albite with Ilmenite and or Magnetite. (Tuftane Evje Norway) lxl to lx 54 only 1 crystal...plates on Sandine (arrowed).(le Tre Croci Vetralla Italy) Ixlins £4.50 396 TORBERNITE Cu UO PO/4 slightly...£4 189 IDOCRASE rich brown masses (Vai d1Aosta, Italy) lxl 60p 1x2 £1 2x2 £2 2x3 £3 307 OPAL SiO/2 H/20...crystal sections in quartz (St Marcel. Piedmont, Italy) lxl £1.20 1x2 £2 2x2 £4.00 4 054 APATITE calcium...crystals in cavities in Basalt. (Lagno Amendolare, Mt Somma, Naples Italy) K x Ji £4 295 NATROLITE orange |  | | Catalog/List | | Clinoptilolite,Willhendersonite crystals: Large Magnetite page 257, Scheelite from China page 12 , 383 Ruby...Thorite. {Vetralla ,Viterbo Province Lazio Region, Italy) M x M £4.50 103 CHURCHITE Y yttrium P0/4 H/20...micro crystals in cavities in matrix (Lagno Amendolare, l1t Somma, Italy) ½ x ½ ins £5 481 PHILLIP9ITE Zeolite...In Basalt. (Vitiello Quarry, near Terzigno, Vesuvius Italy) 1/2 x 1/2 £2.50 1 x l/2ins £5 462 STELLERITE...Bi/2 S/3 2 to 3m m silvery fibre in Quar tz Magnetite- Chl orite. Interes ting location . (Conis ton |  | | Book | | intervention. The scattering curve depends in a complex way on size distribution of absorbing particles...+ 2)−2ν4, where ν is light frequency. In more complex cases the intensity of light scattering can be...belonging to H2O, H3O+, B(OH)3, HPO42− and other complex ions and molecules. But it should be kept in mind...crystals (solid solutions involving different complex anions, alteration of different kinds of stacking...Kleppe et al. 2001), whereas some others show more complex spectra. The investigation of wadsleyite synthesized |
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