 | Ferrando, Simona, Frezzotti, Maria Luce, Orione, Paolo, Conte, Riccardo Carlo, Compagnoni, Roberto (2010) Late-Alpine rodingitization in the Bellecombe meta-ophiolites (Aosta Valley, Italian Western Alps): evidence from mineral assemblages and serpentinization-derived H2-bearing brine. International Geology Review, 52 (10) 1220-1243 doi:10.1080/00206810903557761 | Journal (article/letter/editorial) | | Late-Alpine rodingitization in the Bellecombe meta-ophiolites (Aosta Valley, Italian Western Alps): evidence...Torino , Turin, Italy b Department of Earth Sciences , University of Siena , Siena, Italy Published online:...Late-Alpine rodingitization in the Bellecombe metaophiolites (Aosta Valley, Italian Western Alps): evidence...Late-Alpine rodingitization in the Bellecombe meta-ophiolites (Aosta Valley, Italian Western Alps): evidence...Torino, Turin, Italy; b Department of Earth Sciences, University of Siena, Siena, Italy Downloaded by |  | Caucia, Franca Piera, Marinoni, Luigi, Scacchetti, Maurizio, Riccardi, Maria Pia, Bartoli, Omar (2020) The Vesuvianite Gems of the Val d’Ala (Piedmont, Italy) Minerals, 10 (6) 535 doi:10.3390/min10060535 | Journal (article/letter/editorial) | | The Vesuvianite Gems of the Val d’Ala (Piedmont, Italy) Franca Piera Caucia 1 , Luigi Marinoni 1 , Maurizio...degli Studi di Pavia, via Ferrata 9, I-27100 Pavia, Italy; francapiera.caucia@unipv.it (F.P.C.); luigitito...I-42100, via G. Puccini 4, I-42124 Reggio Emilia, Italy; mauscacchetti@alice.it DiGS—Università degli Studi...Studi di Padova, via Gradenigo 6, I-35131 Padova, Italy; omar.bartoli@unipd.it Correspondence: mariapia...Abstract: In Val d’Ala (Western Alps in Piedmont, Italy), the most interesting rocks for mineralogical research |  | | Journal (article/letter/editorial) | | Benedetto del Tronto, near Ancona on the east coast of Italy. His interest in minerals was sparked when as a...parents in Valle d’Aosta in the Alps in northern Italy. As a teenager he was introduced to his mother’s...mineral enthusiasts he visited many localities in Italy, among them the Latera Volcanic Complex around Pitigliano...perimeter. At the end of 1997 Amabili returned to Italy and a professorship at the University of Parma....grossular, vesuvianite, prehnite, pectolite, and diopside, ranging from thumbnail- to cabinetsized specimens |  | Prencipe, M., Tribaudino, M., Pavese, A., Hoser, A., Reehuis, M. (2000) A SINGLE-CRYSTAL NEUTRON-DIFFRACTION INVESTIGATION OF DIOPSIDE AT 10 K. The Canadian Mineralogist, 38 (1) 183-189 doi:10.2113/gscanmin.38.1.183 | Journal (article/letter/editorial) | | SINGLE-CRYSTAL NEUTRON-DIFFRACTION INVESTIGATION OF DIOPSIDE AT 10 K MAURO PRENCIPE AND MARIO TRIBAUDINO Dipartimento...Torino, Via Valperga Caluso 35, I-10125 Torino, Italy ALESSANDRO PAVESE Dipartimento di Scienze della...Università di Milano, Via Botticelli 23, I-20133 Milano, Italy ANDREAS HOSER AND MANFRED REEHUIS Hahn-Meitner-Institut...data, collected at 10 K on a natural sample of diopside, provided a structure that refined to R = 4.5%...based on lattice-dynamics calculations. Keywords: diopside, neutron diffraction, low-temperature structure |  | | Journal (article/letter/editorial) | | vesuvianite crystals to about 1 cm tall from Bellecombe, Val d’Aosta, Italy. from this. Based on their optical...alpine regions of Italy are rich in vesuvianite locales, with a half-dozen in the Aosta Valley, over a dozen...skarns) where they are associated with garnet, diopside, and wollastonite; they are also found in regionally...original locality on Mount Vesuvius, Campania, Italy, where brown euhedral crystals are found in volcanic...vesuvianites have been found in serpentinite in the Zhob Valley, Baluchistan. Brown euhedral crystals occur in |  | | Journal (article/letter/editorial) | | from Mexico, and one (6) anisotropic sample from Italy were studied. The crystal structure of the six samples...additional anisotropic grossular samples from Mexico and Italy, and two isotropic grossular samples from Canada...this study. Sample-6 is from Bellecombe, Aosta Valley, Piedmont, Italy, and consists of red euhedral...the Bellecombe antigorite–serpentinite and exposed in the Piemonte zone of Aosta Valley, NW Italy. Fine-grained...types of grossular–andradite garnets, chlorite, diopside, and vesuvianite. The metamorphic rocks of the |  | | Journal (article/letter/editorial) | | Studi di Milano, Via Mangiagalli 34, 20133 Milano, Italy (davide.zanoni@unimi.it) 2 Dipartimento di Scienze...degli Studi di Pavia, Via Ferrata 1, 27100 Pavia, Italy 1 Short title: OCEAN FLOOR TO SUBDUCTION RECORD...oceanic Zermatt-Saas Zone (Western Alps, northwestern Italy) during Alpine subduction. Rodingites occur in the...upper Valtournanche (Val d’Aosta, northwestern Italy), consists of high-pressure/ultra-highpressure (HP/UHP)...et al., 2009) and, south of the Aosta-Ranzola fault (St. Marcel valley), 2.1 ± 0.3 GPa and 550 ± 60 °C |  | | Catalog/List | | 5xl.8 cm group on top of rock; 3.8x2.3x2-$255.25 DIOPSIDE;M522. Orford Nicke/ Mine, Brampto11 Lake, Quebec...nice TIN; 1 cm xl with a few smaller xis,minor Diopside xls, & crudely crystallinc Clinochlorc; 2.7xl...showy, lustrous dodccahcdra to 7 mm coating crude Diopside xls in a vug. center is still partially filled...acid leached Calcite; 3.3x3.2x2.5-$9.00 M540.Bellecombe, Val D'Aosta, /ta/y; (a) good M/M or T/N; lustrous...M/M xls rich on 1-5 mm Diopside xls coating a 6x5.3 cm surface on massive Diopside; (Gunnar Bjarcby coll |  | | Journal (article/letter/editorial) | | clinozoisite, wollastonite, scapolite, vesuvianite, diopside, and tremolite (Anthony et al. 1995). It is now...microcrystalline grossular on pale green crystals of diopside from the Orford nickel mine, St.-Denisde-Brompton...dodecahedra associated with clinozoisite, quartz, and diopside (King and Foord 1994). There is a fine specimen...and the specimens I examined are associated with diopside. Also appealing to the specialist are grossular...orange-red, about 1–1.5 cm on edge, and occur with diopside and clinozoisite. Really good specimens from here |  | Diella, Valeria, Bocchio, Rosangela, Marinoni, Nicoletta, Caucia, Franca, Spalla, Maria Iole, Adamo, Ilaria, Langone, Antonio, Mancini, Lucia (2019) Garnets from Val d’Ala Rodingites, Piedmont, Italy: An Investigation of Their Gemological, Spectroscopic and Crystal Chemical Properties. Minerals, 9 (12) 728 doi:10.3390/min9120728 | Journal (article/letter/editorial) | | Article Garnets from Val d’Ala Rodingites, Piedmont, Italy: An Investigation of Their Gemological, Spectroscopic...Milan, Italy Department of Earth Sciences “Ardito Desio”, University of Milan, 20133 Milan, Italy; rosangela...Pavia, Italy; caucia@crystal.unipv.it Italian Gemological Institute (IGI), 20123 Milan, Italy; ilaria...Pavia, National Research Council, 27100 Pavia, Italy; langone@igg.cnr.it Elettra-Sincrotrone Trieste...Trieste S.C.p.A., 34149 Basovizza (Trieste), Italy; lucia.mancini@elettra.eu Correspondence: valeria.diella@cnr |  | | Journal (issue) | | PRIVATE MINERAL COLLECTIONS IN ITALY WITH AN INTRODUCTION BY FEDERICO PEZZOTTA CURATOR OF MINERALOGY...JANUARY-FEBRUARY, 2011 PRIVATE MINERAL COLLECTIONS IN ITALY Participating Collectors: Marco Amabili Silvia...Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto Giazotto collection Jeff Scovil photo... MINERAL COLLECTING IN ITALY )In OutCine of MINERAL COLLECTING IN ITALY Federico Pezzotta Mineralogy...literature and music, scholars and aristocrats in Italy assembled some of the first great collections of |  | | Journal (issue) | | tourmaline, zircon, rutile, topaz, sapphire, diopside, pyrite, hematite and a host of other gem materials...find than diamond, e.g. pyrope garnet, chrome diopside, picroilmenite (Atkinson et al., 1990), so too...here it forms the eastern margin of the great rift valley. The gemstones from this region of East (0 Copyright...rhodolite; Longido for ruby in zoisite; the Umba River valley for fancy sapphire, garnet and other gems; Mpwapwa...quartzites typically contain magnetite, epidote, diopside, wollastonite and garnet. The marbles are generally |  | | Journal (article/letter/editorial) | | mineral association: hydrated garnet, vesuvianite, diopside and clinochlore. Electron microprobe analysis...hydrated silicate minerals: garnet, vesuvianite, diopside, chlorite, epidote, zoisite, tremolite, prehnite...of Ca (Kα, 25)-diopside; K (Kα, 44)-orthoclase; Na (Kα, 43)-albite; Mg (Kα, 41)-diopside; Al (Kα, 42)albite;...signature of diopside relics dominated by very high Ca and Mg contents is in agreement with diopside compositions...[38–40] and confirms its metasomatic origin. As the diopside (possibly with older grossular cores) is considered |  | | Journal (article/letter/editorial) | | Institution Washington, DC 20013 pohwatp@si.edu Diopside MERELANI, ARUSHA REGION, TANZANIA Most silicates... and, for pyroxenes, diopside is an exception (spodumene is another). Diopside crystals are monoclinic...point group 2/m; hence it is a clinopyroxene. Diopside crystals are commonly prismatic with a square...as simple and multiple twins on {100} or {010}. Diopside displays parting on {100} and possibly on {010}...attributed to planar exsolution lamellae (Nesse 2012)]. Diopside has a hardness of 5.5–6.5 and a specific gravity |  | | Catalog/List | | NHYDRITE: M204. Campiano Mine, Grosseto, Tuscany, Italy; good for species; pale blue tabular xls; (a) T/N...3x3. 7x2.5-5u.OO CLINOCHLORE: M175. Bellecombe, Val D'Aosta, Italy; (a) 10 maJ. rr,;r,;xls richly coating...coating 10 mac;_;. Grossubr xls with minor Diopside xls, on top of rock; 4.2x4x2.2-$5.00 COLEMANITE: M201...1/3 discount an 10 or more xls M177. Val Malenco, Italy; ( a) sharp micro xls & sections with Grossular...xls; 2-3 mm-$3.50 GROSSULAR: M174. Bellecombe, Val D'Aosta, Italy; var. hessonite, orange to brownish |  | | Journal (article/letter/editorial) | | relatively early ACCEPTED MANUSCRIPT formed diopside (Fig. 4b). Very young silicification took place...MANUSCRIPT diopside from the Abu Rusheid samples whereas it is intermediate between diopside and hedenbergite...Greece. Based on the petrographic M evidence, the diopside is exclusively not igneous that forms at elevated...estimated tentatively from the AC chemistry of diopside where it is low in case of Wadi Abu Rusheid and...reworked or metasomatic diopside in rodingite. At late stage of rodingitization, diopside might be recrystallized |  | | Journal (issue) | | Percorso un breve tratto della statale in direzione di Aosta, si devia a sinistra per Saint-Marcel, poi Plut...specie ma una varietà di omfacite (Foto 46.47) o di diopside (Foto 28); descritta da Breithaupt nel 1838. Da...essere riferiti ad omfacite e quelli chiari a diopside. Si può qui ricordare il ritrovamento di parecchi...quarzo (Foto 56) e talco (Foto 66). Altre specie Diopside (Foto 27), dolomite (Foto 29), magnetite (Foto...CERVANDONITE-(Ce) Pizzo Cervandone, Alpe Devero, Baceno VB DIOPSIDE Testa Ciarva, P. Mussa, Val d' Ala TO ELLENBERGERITE |  | | Journal (issue) | | Williams Minerals of the Alpine Rodingites of Italy ............................ 85 By C. M. Gramaccioli...prehnite, pectolite, apophyllite, vesuvianite, diopside and aragonite. Although mineral collecting in...aluminum-rich mineral assemblages (grossular, vesuvianite, diopside, prehnite, zoisite, chlorite) of hydrothermal...composed predominantly of grossular with or without diopside. According to De (1961), these minerals crystallized...alteration of the monoclinic pyroxenes, augite and diopside, released calcium and aluminum. These are the |  | | Journal (article/letter/editorial) | | rocks include grossularitic garnet, chlorite and diopside whereas epidote group minerals were mainly developed...earths were mainly integrated in the neoblastic diopside whereas Cr and Ni likely formed insoluble hydroxides...and locally cataclastic textures. Relic, primary diopside occurs locally in all rodingitic samples and is...cataclastic texture and it is frequently formed after diopside or serpentine. Frequently, garnet is associated...2a) or with neoblastic diopside and chlorite (Fig. 2b). The neoblastic diopside can be easily distinguished |  | | Journal (article/letter/editorial) | | textures; they generally consist of grossular, diopside, chlorite, and titanite (Figure 4c,d); and some...apatite, magnetite, and ilmenite. Grossular and diopside generally occur as cloudy Minerals 2022, 12...Blackwalls are dominated by chlorite; grossular, diopside, and magnetite often present in the form of fine-grained...Pl—plagioclase; Chl—chlorite; Grs—grossular; Di—diopside; and Mag—magnetite. different minerals: Opx—orthopyroxene;...Pl—plagioclase; Chl—chlorite; Grs—grossular; Di—diopside; and Mag—magnetite. 3. Geochemistry 3. Geochemistry |  | Luoni, Pietro, Rebay, Gisella, Roda, Manuel, Zanoni, Davide, Spalla, Maria Iole (2021) Tectono-metamorphic evolution of UHP Zermatt-Saas serpentinites: a tool for vertical palaeogeographic restoration. International Geology Review, 63 (10) 1236-1261 doi:10.1080/00206814.2020.1758967 | Journal (article/letter/editorial) | | Desio’, Università degli Studi di Milano, Milano, Italy; bDipartimento di Scienze della Terra edell’Ambiente...edell’Ambiente, Università degli Studi di Pavia, Pavia, Italy a ABSTRACT ARTICLE HISTORY Within the Zermatt-Saas...2009; Frezzotti et al. CONTACT Pietro Luoni Milano, Italy pietro.luoni@unimi.it KEYWORDS Ti-humites; serpentinite;...Cervino 10 11 1 2 3 A MR 8 7 ZS 12 CO Dk @ AOSTA CO MA EM Emc GR B @ BIELLA Gm PENNINIC DOMAIN...10 TiO2 [wt%] XMg Wo 50 45 Hedembergite Diopside Wo Clinopyroxene 50 45 50 45 Wo Augite |  | | Catalog/List | | AROUND THE WORLD: ANATASE - ITALY: From Solara Vai Nure, Piacenza, Italy. Microcrystalline anatase coating...each CALCITE - GOLDEN: Cairo Montenotte, Savona, Italy: Dogtooth crystal of white calcite with a golden...INCLUDED QUARTZ: Jackpot Hill, Calaveras River, Valley Springs, Calaveras County, California: Really neat...at $2.00 each E EPIDOTE AND DIOPSIDE: VAL ANTRONA. DOMODOSSOLA, ITALY: Showy specimens of light to medium...of massive epidote and diopside. Many also contain elongated green-grey diopside crystals, a few with magnetite |  | | Catalog/List | | ••• $35.00 (L) 81B34 DIOPSIDE, Val D'ala, Piedmont Italy. (a) pale green diopside crystal (2 x 0 8 x 0...on matrix (5 x 5.5 cm) with drusy grossular and diopside ••• $22.50 (L) 81B35 WILLEMITE, Franklin, New...$25.00 81B38 VESUVIANITE, Banchetti Mt., Bellecombe, Italy. Exceptional clusters of vesuvianite. Sharp...(Var. of Saponite), Zebedassi, Volpedo, Voghera, Italy. (a) glass vial (6.5 cm) half full of zebedassite...ANEMOUSITE, (var. of anorthite), Mt. Rossa, Linosa, Italy. (a) crystal sections (4-1cm) ••• $5.00 (L) 0 0 |  | Laborda-López, Casto, López-Sánchez-Vizcaíno, Vicente, Marchesi, Claudio, Gómez-Pugnaire, María T., Garrido, Carlos J., Jabaloy-Sánchez, Antonio, Padrón-Navarta, José A., Hidas, Károly (2018) High-P
metamorphism of rodingites during serpentinite dehydration (Cerro del Almirez, Southern Spain): Implications for the redox state in subduction zones. Journal of Metamorphic Geology, 36 (9) 1141-1173 doi:10.1111/jmg.12440 | Journal (article/letter/editorial) | | Type 1 Grandite-metarodingite (garnet+chlorite+diopside+titanite±magnetite±Ilmenite) mainly crops out...antigorite-serpentinite. Type 2 Epidote-metarodingite (epidote+diopside+titanite±garnet) derives from Type 1 and is the...Pyralspite-metarodingite (garnet+epidote+amphibole+chlorite±diopside+rutile) crops out in the chlorite-harzburgite...pyralspite-rich garnet (Grt-5) and the recrystallization of diopside into tremolitic amphibole at decreasing fO2 and...Gómez-Pugnaire, Garrido, Padrón-Navarta, & Mellini, 2009), diopside transformation to tremolite (Trommsdorff et al |  | Wandji, P., Tsafack, J. P. F., Bardintzeff, J. M., Nkouathio, D. G., Kagou Dongmo, A., Bellon, H., Guillou, H. (2009) Xenoliths of dunites, wehrlites and clinopyroxenites in the basanites from Batoke volcanic cone (Mount Cameroon, Central Africa): petrogenetic implications. Mineralogy and Petrology, 96 (1) 81-98 doi:10.1007/s00710-008-0040-3 | Journal (article/letter/editorial) | | as interstitial grains between chrysolite and diopside grains, i.e. Cr2O3rich magnetites (19 to 21 wt...VI, France. Kα lines were used. Standards are diopside for Si, Ca and Mg, Fe2O3 for Fe, MnTiO3 for Ti...angular xenocrysts of olivine (chrysolite) and diopside and contain xenoliths. Resorption of some chrysolite...mineral phases: olivine (chrysolite), clinopyroxene (diopside) and spinel (Tables 2, 3 and 4). Table 1 Evidence...ranging from 0.5 to 1 cm. They are composed of 95% diopside, 4% chrysolite and 1% titanomagnetite and have |
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Bellecombe, Châtillon, Aosta Valley, Italy