 | | Report (issue) | | Z=3 X-ray Powder Pattern: Tre Croci, Vetralla, Viterbo Province, Italy. 2.993 (100), 2.950 (70), 7...[5.27] 7.50 3.16 98.65 (1) Tre Croci, Vetralla, Viterbo Province, Italy; electron microprobe analysis...volcanic ejecta of syenitic composition. Association: Zircon, thorite, thorian uraninite, betafite, thorian...stillwellite-(Ce). Distribution: At Tre Croci, Vetralla (north of Rome), Viterbo province, Italy. Name: For the Vican...complex (Italy) where the mineral was found. Type: Mineralogical Museum, University of Rome, Italy. References: |  | Sacerdoti, Michele, Parodi, Gian Carlo, Mottana, Annibale, Maras, Adriana, Ventura, Giancarlo Della (1993) Asbecasite: crystal structure refinement and crystal chemistry. Mineralogical Magazine, 57 (387) 315-322 doi:10.1180/minmag.1993.057.387.14 | Journal (article/letter/editorial) | | Ferrara, Corso Ercole I d'Este 32, 1-44100 Ferrara, Italy GIAN CARLO PARODI* Museum National d'Histoire Naturelle...'La Sapienza', Piazzale A. Moro 5, 1-00185 Roma, Italy Abstract The crystal structure of antimonian asbecasite...occurring at Tre Croci near Vetralla, Vico volcanic complex, Roman potassic province, Latium, Italy, has been...crystal structure, crystal chemistry, Switzerland, Italy. Introduction A_SBECAStTE, ideally Ca3TiAs6Be2Si2020-P3cl...(Mattioli, 1979); and (2) at Tre Croci near Vetralla (Viterbo province, Latium), within a unique large |  | | Report (issue) | | 370 Total 98.50 (1) Tre Croci, near Vetralla, Viterbo province, Latium, Italy; electron microprobe analysis;...clinopyroxene, clinoamphibole, magnetite, titanite, zircon, danburite, thorite, fluorite, tourmaline, a cancrinite-group...mineral. Distribution: From Tre Croci, near Vetralla, Viterbo province, Latium, Italy. Name: Honors Curzio Cipriani...(later of Natural History), University of Florence, Italy, in recognition of his contribution to mineral systematics...Natural History Museum, the University of Florence, Italy (2771/RI). References: (1) Della Ventura, G., P |  | | Report (issue) | | Total 99.18 100.00 (1) Tre Croci, near Vetralla (Viterbo), Latium, Italy; electron microprobe and LA-ICP-MS...thorite/ekanite, magnetite, zircon, zirconolite, titanite. Distribution: From Tre Croci, near Vetralla, Vico volcanic...volcanic province, Italy. Name: Honors Annibale Mottana, Professor of Mineralogy, University of Roma Tre, Italy...Mineralogy Museum, University of Pavia, Lombardy, Italy (2018-02). References: (1) Oberti, R., A. Langone |  | | Journal (issue) | | Dipartimento Scienze Geologiche, UniversitĆ Roma Tre, Largo San Leonardo Murialdo 1, 00146 Roma 2 Dipartimento...Ingegneria Meccanica e Industriale, UniversitĆ Roma Tre, Via della Vasca Navale 79, I-00146 Roma 6 Istituto...U e REE. CosƬ come per tutte le cancriniti del Lazio, anche la formazione della kircherite ĆØ riconducibile...Dipartimento di Scienze Geologiche, UniversitĆ Roma Tre con uno spettrometro Nicolet Magna 760. Lo spettro...Dipartimento di Scienze Geologiche dellāUniversitĆ Roma Tre. I dieci riflessi piĆ¹ intensi ed i parametri di cella |  | | Journal (article/letter/editorial) | | new minerals of the hellandite group from Latium (Italy) GIANCARLO DELLA VENTURA,1 PAOLA BONAZZI,2 ROBERTA...(CS), Italy 2 Dipartimento di Scienze della Terra, UniversitĆ di Firenze, I-50121 Firenze, Italy 3 CNR-CS...Cristallografia (CSCC), via Ferrata 1, I-27100 Pavia, Italy ABSTRACT Two new minerals of the hellandite group...pyroclastic formations of the Roman Comagmatic Province (Latium, Italy). Mottanaite-(Ce) [ideally XCa4Y(CeCa)...and/or clinoamphibole, magnetite, titanite, and zircon. Locally, accessory minerals include britholite-(Ce) |  | | Report (issue) | | 421 Total 100.71 (1) Tre Croci, near Vetralla, Viterbo province, Latium, Italy; electron microprobe analysis;... clinopyroxene, titanian andradite, magnetite, zircon, titanite, baddeleyite, a phase with composition...Rome, Italy. Name: Honors Annibale Mottana, Professor of Mineralogy, University of Roma Tre (Italy), for...Material: Mineralogy Museum, the University of Rome, Italy (30023/1). References: (1) Della Ventura, G., P...new minerals of the hellandite group from Latium (Italy). Amer. Mineral., 87, 739-744. (2) Oberti, R., A |  | Bellatreccia, Fabio, Della Ventura, Giancarlo, Williams, C. Terry, Lumpkin, Gregory R., Smith, Katherine L., Colella, Michael (2002) Non-metamict zirconolite polytypes from the feldspathoid-bearing alkali-syenitic ejecta of the Vico volcanic complex (Latium, Italy) European Journal of Mineralogy, 14 (4) 809-820 doi:10.1127/0935-1221/2002/0014-0809 | Journal (article/letter/editorial) | | alkalisyenitic ejecta of the Vico volcanic complex (Latium, Italy) FABIO BELLATRECCIA1, GIANCARLO DELLA VENTURA2,...Roma La Sapienza, P. Aldo Moro 5, I-00185 Roma, Italy Dipartimento di Scienze della Terra, UniversitaĢ...della Calabria, I-87036 Arcavacata di Rende (CS), Italy Corresponding author, e-mail: dellaven@unical.it...of the Vico volcanic complex, near Tre Croci Community, Latium (Italy). The host rock is a foid-bearing...kaolinite-like product. Accessory minerals include zircon, baddeleyite, stillwellite, hellandite, fluorite |  | Caprilli, E., Della Ventura, G., Williams, T. C., Parodi, G. C., Tuccimei, P. (2006) THE CRYSTAL CHEMISTRY OF NON-METAMICT PYROCHLORE-GROUP MINERALS FROM LATIUM, ITALY. The Canadian Mineralogist, 44 (6) 1367-1378 doi:10.2113/gscanmin.44.6.1367 | Journal (article/letter/editorial) | | NON-METAMICT PYROCHLORE-GROUP MINERALS FROM LATIUM, ITALY ENRICO CAPRILLI Dipartimento di Scienze della Terra...Modena, Italy GIANCARLO DELLA VENTURAĀ§ Dipartimento di Scienze Geologiche, UniversitĆ di Roma Tre, Largo...Largo S. Leonardo Murialdo 1, I-00146 Roma, Italy TERRY C. WILLIAMS Department of Mineralogy, The Natural...Geologiche, UniversitĆ di Roma Tre, Largo S. Leonardo Murialdo 1, I-00146 Roma, Italy ABSTRACT We here present...Plio-Pleistocene pyroclastic deposits of Latium, in central Italy. Despite their high actinide content, the samples |  | | Journal (article/letter/editorial) | | Colonnata Valley, Carrara region, Apuan Alps, Italy. Merlino, S. & Orlandi, P. (2001): Am. Mineral....Sciences, University of Milano Bicocca, Milano, Italy. Found in a dolomite carbonatite vein, Zhelezny...History at the UniversitĆ di Firenze, in Florence, Italy, in recognition of his work on the systematics of...ejectum, Vico volcanic complex, Tre Croci, near Vetralla, Viterbo Province, Italy. Della Ventura, G. et al....a village about 10 km east of MazarrĆ³n in the Province of Murcia, southeastern Spain. Jambor, J.L. et |  | Chukanov, Nikita V., Vigasina, Marina F., Shendrik, Roman Yu., Varlamov, Dmitry A., Pekov, Igor V., Zubkova, Natalia V. (2022) Nature and Isomorphism of Extra-Framework Components in Cancrinite- and Sodalite-Related Minerals: New Data. Minerals, 12 (6) 729 doi:10.3390/min12060729 | Journal (article/letter/editorial) | | Associated minerals are sanidine, augite, annite and zircon. The empirical formula is [8]: (H3 O)x Na5.72 K0...Koksha valley, Sar-e Sang district, Badakhshan province, Afghanistan. The mineral forms pale-green, spindle-like...originates from the Tre Croci occurrence, near Vetralla, Viterbo province, Latium, Italy. The empirical formula...Caldera, Sacrofano municipality, Rome province, Latium region, Italy. The associated minerals are sanidine...Cavalluccio, Campagnano municipality, Rome province, Latium region, Italy. The associated minerals are sanidine |  | | Catalog/List | | brownish icro plate on Sandine (arro~ed).(le Tre Croci Vetralla Italy) lxlins E4.50 498 ZEKANNITE (Zn Fe) (Te...Natrix. (Visp ā¢ Q arr y, ear San Vcnauu., Terni Province, Umbria, Ital ) 1/ x l/2irs ES CRYST AL S 162...(Massachusetts1 USA) lot a single eryslal ~XĀ½ 70p 437 ZIRCON pale fawn sharp single crystal (FreemanMine North...(Antsirabe Madagascar) 3 s all crystals for E8 478 ZIRCON Zr Si0/4 single pale fawn erystal showing double...someblacr. SPIHEL(somewith octahedral xls) (Trentino Italy) lxl E2 lx2 E4 2x2 E6 178 HALLOYSITE Al/2 Si/2 0/5 |  | MacDonald, Ray, Nejbert, Krzysztof, BagiÅski, BogusÅaw, Jurewicz, Edyta (2018) TiāZrāNb-bearing accessory minerals in high-K trachyandesitic rocks from the Western Outer Carpathians, Moravia, Czech Republic. European Journal of Mineralogy, 30 (1) 135-147 doi:10.1127/ejm/2017/0029-2693 | Journal (article/letter/editorial) | | 840 Ā°C. Zirconolite was stabilized relative to zircon by the TiāCa-rich nature of the melts and to baddeleyite...Table 1 and consist of different combinations of zircon (ZrSiO4), zirconolite (CaZrTi2O7), baddeleyite...igneous suites. Locality Lithology CGM Zirconolite Zircon Baddeleyite Ilmenite Magnetite Titanite Formation...magmatic 1 p p p p Sabatini, Italy Syenite Hāthermal 2 p p p p Roccamonļ¬na, Italy Syenite Late-magmatic...the Chikala nepheline syenite, Chilwa alkaline province, Malawi. 5 REE3+ + Fe2+C + Mg2+ + Al3+ (apfu) |  | | Journal (article/letter/editorial) | | Calcite-apatite-pyroxene Province, Russia pegmatoid 2 Khibina massif, Kola Alkaline Province, Russia Zeolite...xenoliths Rome, Italy in leucotrachitic tuļ¬s Tre Croci, Vico Volcano, Holocrystalline volcanic Italy ejectum...Magnesiohastingsite, diopside, phlogopite, calcite, schorlomite, zircon, ilmenite, gittingsite, perovskite, baddeleyite...eudialyte, stronalsite, NaāZr-silicate(s), analcime, zircon, strontian apatite, allanite. Nepheline, clinopyroxene...turkestanite Microcline, nepheline, aegirine, eudialyte, zircon, pyrochlore, carbonates (1983); (8) Della Ventura |  | | Catalog/List | | crystal inwhite Albite Alpe Rosso, Val Vigezzo Italy Ā½ ins Ā£2 _ Ca Al SiO _____ ______ _ _ about_halfinssize...Greenish masses with some black Spinet Trentino, Italy Ā½" Ā£2 lx2 Ā£5 . Pyroxene _ __ -Ā·-- Ā·-Ā·Ā· .. -Ā·- Ā·...Ā·Ā·Ā·Ā· __ . _ . 149 GANOPHYLLITE Molinello Mine, Italy Ā½xĀ½ Ā£3 Brown fibrous areas on quartz _K Na Mn Al...;;- - - ----- - - - - Ā·va1 d' Aosta, Piedmont, Italy lxl 60p Jx2 Ā£1 2x2 Ā£2 ā¢ ā¢ 2x3 Ā£3 - - - - - ...NOSEAN terminated yellowish micro crystal on Viterbo Italy lxl Ā£5 _ sodalitegroup . .. . .... _____Sanidine |  | Macdonald, R., BagiÅski, B., Kartashov, P. M., Zozulya, D., Dzierżnowski, P. (2015) Hydrothermal alteration of chevkinite-group minerals. Part 2. Metasomatite from the Keivy massif, Kola Peninsula, Russia. Mineralogical Magazine, 79 (5) 1039-1059 doi:10.1180/minmag.2015.079.5.02 | Journal (article/letter/editorial) | | areas 1b and 2. Chv, chevkinite; Qtz, quartz; Zrn, zircon. intruded and metasomatically altered a range...mineralization includes, in addition to chevkinite(Ce), zircon, thorite, allanite-ferriallanite-(Ce), fergusonite-(Y)...with the quartz are abundant euhedral crystals of zircon. Areas marked as 1b and 2 show the transition from...aeschynite-(Y) and hydroxylbastnƤsite-(Ce) (Bst). The zircon (Zrn) at the bottom of the image is taken to be...britholite-(Ce) grains occur near the contact with a zircon crystal which is assumed to have been primary. |  | | Journal (article/letter/editorial) | | the earlier-formed Zr minerals zirconolite and zircon were unstable and underwent extensive re-equilibration...lemon-yellow and dark brown crystals associated with zircon and chlorite, respectively. All three types also...rocks of Ilomba and Oldoinyo Lengai (solid), Tre Croci and Roccamonfina (empty). The diagram was constructed...apatite), Th (perovskite and zircon), Zr, and Hf (Zr oxides and zircon), these incompatible elements...carbonatitic rocks elsewhere in the Kola alkaline igneous province. In common with Afrikanda, it is typically developed |  | | Journal (issue) | | elimineren qua terminologie : "zirkoon" (Engels : "zircon") heeft in het Nederlands twee betekenissen : 1)...houden. Een mineraal analoog aan "zirkoon" of "zircon" kon dan ook niet uitblijven : hafnon, HfO2. Hoewel...vroegere Ceylon) : Kollonnagam, Rakwana, Sabaragamuwa Province. Het typemateriaal van geikieliet komt, zoals...plaatsen voor in ItaliĆ«, o.a. Tre Croci, Vetralla, Lago Vico, Viterbo, Latium, en Case Collina, Pitigliano...(1997), "U-Pb and Lu-Hf isotopes in baddeleyite and zircon megacrysts from the Mbuji-Mayi kimberlite: constraints |  | | Catalog/List | | masses wi th minor matrix. (Estjpinan, Hues ca Province, Spa.in) Now considered by Fleischer to be a distinct...d'aosta, Italy) 1x~ t3.oo (QĀµartzite, on 1 cm quartz. brown cry~talJine Liguria, Italy) cleavages...in 0avi ties Cura di Vetr~ll~, Viterbc, I.atium Italy) 1xĀ½ ā¬3 1x2 i5.00 B759 ZINCOLIVENITB fine (Tsumeb... in an ~rea Sanid:Lne. ~bout matrix. (Le Tre Croci 1x1cm rn rn~trix. - B760 QUARTZwi th phantom...Correze 9 ~rance) z15.oo shell size. (Buer showing trEā¢e likc c;rowths. (6.00 27 FOSSIL crab iins overall |  | | Catalog/List | | masses wi th minor matrix. (Estjpinan, Hues ca Province, Spa.in) Now considered by Fleischer to be a distinct...d'aosta, Italy) 1x~ t3.oo (QĀµartzite, on 1 cm quartz. brown cry~talJine Liguria, Italy) cleavages...in 0avi ties Cura di Vetr~ll~, Viterbc, I.atium Italy) 1xĀ½ ā¬3 1x2 i5.00 B759 ZINCOLIVENITB fine (Tsumeb... in an ~rea Sanid:Lne. ~bout matrix. (Le Tre Croci 1x1cm rn rn~trix. - B760 QUARTZwi th phantom...Correze 9 ~rance) z15.oo shell size. (Buer showing trEā¢e likc c;rowths. (6.00 27 FOSSIL crab iins overall |  | Perna, Maria, Zaccaria, Daria, Rosatelli, Gianluigi, Stoppani, Francesco, Curti, Ezio, Spratt, John, Humphreys-Williams, Emma, Najorka, Jens, Brownscombe, Will, Nestola, Fabrizio, Stoppa, Francesco (2021) Dissolution-Repackaging of Hellandite-(Ce), Mottanaite-(Ce)/Ferri-Mottanaite-(Ce) Minerals, 11 (6) 610 doi:10.3390/min11060610 | Journal (article/letter/editorial) | | University āG. dāAnnunzioā Chieti-Pescara, 66100 Chieti, Italy; mariagrazia.perna@unich.it (M.G.P.); daria.zacca@hotmail...(F.S.) Gruppo Mineralogico Romano, 00185 Roma, Italy; franz.vonhalt@gmail.com (F.S.S.); ezio.curti@gmail...of Geosciences, Padua University, 35121 Padova, Italy; fabrizio.nestola@unipd.it Correspondence: grosatelli@unich...); brockite; Rare Earth Elements; Roman RegionāItaly Academic Editors: Vassily V. Vrublevskii and Anna...Geological Setting The Roman Region in Central Italy (RR hereinafter, [7]) consists of four main volcanic |  | | Journal (article/letter/editorial) | | anisotropism. scoria from Vesuvius-Somma, Campania, Italy. N a m e d for W . G . M u m m e o f C S I R O ... 105.12 ~ Z = 4. Dmeas. 3.60 g/cm 3. Optically Italy. CaMn3Ā§ Manganese analogue of biaxial negative,...bright blue needles to 2 mm, in a quartz matrix, Province, South Africa; also recorded from the from the...Wessels mine, Hotazel district, Northern Cape Province, South Africa. Tentative formula given as CaaMn3SisO2o(OH)6...from tungsten deposits of the Anhua area, Hunan Province, China. Simplified formula (Mg,Zn,Fe,A1)4(Sn,Fe)2(A1 |  | | Catalog/List | | fi1icaeousscales on matrix a (St M~rcel, Val d'Aosta Italy) W 1J:1 7Cp 1x2 f 1. 30 2x2 :t3. 00 brc~n ~~ss...crystals in cavities in Slag.Cetine Mine, Sienna ,Italy .. lem t3.80 88 CHABAZITE white crystais on Basalt...thin white crust on 1cmmatrix.(Mt Amiata Tuscany Italy) f,1.20 123 DIDPSIDE pale fawn massive with possible...fassaite with black spinel (someoctaheclral) (Trentino Italy) erystals 121 DATOLITE rich white masses with...on Ā½ ins matrix (Molinello Mine, Val Graveglia Italy) M. DO 149 GANOPHYLLITE quite rich golden browncrystalline |  | | Journal (article/letter/editorial) | | natural titanite. The source of diffusant was either zircon powder or a ZrO2āAl2O3ātitanite mixture. Experiments...edu subsequent to crystallization than the Ti-in-Zircon geothermometer (Watson and Harrison in Science...powder of synthetic zircon, obtained from a commercial supplier (Alfa/Aesar). The zircon powder was dried...200C for 1 day, cooled, and used in place of the zircon powder in the same experimental assembly as employed...diffusivity similar to that for experiments run with the zircon source, suggesting that diffusion is likely rate-limited |  | | Catalog/List | | Mica). Bobierite. Brugnatellite and Humite from Italy. Unusual green opal variety Hyalite. From India...rnicaeousmasses on matrix (St Marcel, Val d 1 Aosta Italy) lxl ?Op lx2 El.JO 2x2 EJ.00 rich brownchip 036...crystals in cavities in Slag.Cetine Hine, Si.rnna , italy. lem n.BO 03& CHABAZITE white crystals on Basalt...thin white crust on lem rnatrix.(Mt .hmiataTuscany Italy) fl.20 235 DELHAYELITE rich grey cleavage (KhibinyMassif...fassaite with black spinel (someortahedral) (Ttentino Italy) lxl E2 lx2 f.4 2x2 {6 139 FED0RIT~ rir.h pin~i~h |
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Tre Croci, Vetralla, Viterbo Province, Lazio, Italy