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Hellandite-(Ce) from
Tre Croci, Vetralla, Viterbo Province, Lazio, Italy


Locality type:Village
Classification
Species:Hellandite-(Ce)
Formula:(Ca,REE)4Ce2Al◻2(B4Si4O22) (OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hellandite-(Ce) data
Locality Data:Click here to view Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:617707
Long-form Identifier:1:3:617707:2
GUID (UUID V4):6c382a61-469f-4e87-b9b1-9197c8124ab3
Nearest other occurrences of Hellandite-(Ce)
2.4km (1.5 miles) Pian di San Martino, Vetralla, Viterbo Province, Lazio, Italy
6.2km (3.8 miles) Cassia Road km 61.5, Capranica, Viterbo Province, Lazio, Italy
8.0km (5.0 miles) Campo Padella, Capranica, Viterbo Province, Lazio, Italy
31.5km (19.5 miles) Pianciano carbonatite, Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy
36.6km (22.8 miles) Biachella Valley, Sacrofano, Metropolitan City of Rome Capital, Lazio, Italy
References
Reference Search (possible matching items)
Journal (issue)
unitamente all’impegno nella ricerca mineralogica nel Lazio, il momento di massima collaborazione con il Museo...: Ritrovamento di peprossiite-(Ce) … RITROVAMENTO DI PEPROSSIITE(Ce) A MONTE CAVALLUCCIO (CAMPAGNANO...Riassunto Recentemente cristalli di peprossiite-(Ce) sono stati rinvenuti a Monte Cavalluccio (complesso...Cercapietre, è conosciuta, anche oltre i confini del Lazio e nazionali, sia per la varietà dei minerali e la...rappresenta la località tipo di ben tre specie minerali: - peprossiite-(Ce): primo borato anidro di terre
Journal (issue)
Dipartimento di Scienze dell’Università degli Studi Roma Tre PROMUOVE studi, ricerche, scambi ORGANIZZA conferenze...ambito mineralogico e petrografico della regione Lazio SEDE: c/o MUST – Museo Universitario di Scienze...nel Lazio ritrovamento: R. Begini, L. Nizi; - Thorianite in un proietto pirossenico di Vetralla (VT)...1974). Gli opali si classificano a loro volta in tre categorie: opale-A che è amorfo, opale-CT che è semi-amorfo...il Dipartimento di Scienze dell’Università Roma Tre (Napoleoni, 2019) ed è attualmente oggetto di un
Journal (article/letter/editorial)
Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy) GIANCARLO DELLA VENTURA...(CS), Italy 2 Dipartimento di Scienze della Terra, Università di Firenze, I-50121 Firenze, Italy 3 CNR-CS...Ferrata 1, I-27100 Pavia, Italy ABSTRACT Two new minerals of the hellandite group were found within alkali-syenitic...formations of the Roman Comagmatic Province (Latium, Italy). Mottanaite-(Ce) [ideally XCa4Y(CeCa)ZAlTBe2(Si4B4O22)WO2]... Locally, accessory minerals include britholite-(Ce), baddeleyite, phosphate to silico-phosphate phases
Journal (article/letter/editorial)
piergorite-(Ce), Ca8Ce2(Al0.5 Fe3+ ■,Li,Be)2Si6B8O36(OH,F)2: 0.5)Σ1(■ A new borosilicate from Vetralla, Italy...Italy, with a modiÞed hellandite-type chain MASSIMO BOIOCCHI,1,2,* ATHOS CALLEGARI,2,3 AND LUISA OTTOLINI3...degli Studi di Pavia, via Bassi 21, I-27100 Pavia, Italy Dipartimento di Scienze della Terra, Università...degli Studi di Pavia, via Ferrata 1, I-27100 Pavia, Italy 3 CNR—Istituto di Geoscienze e Georisorse (IGG)...I-27100 Pavia, Italy ABSTRACT Piergorite-(Ce) is a new mineral found at Tre Croci, Vetralla, Italy with simpliÞed
Journal (issue)
Fluoro-edenite from Biancavilla (Catania, Sicily, Italy): crystal chemistry of a new amphibole end-member...Fluorophlogopite from Biancavilla (Mt Etna, Sicily, Italy): crystal structure and crystal chemistry of a new...sienitico (sanidiniti), che si possono rinvenire nel Lazio, fra gli interstizi formati dai cristalli di sanidino...di Microscopia Elettronica dell’Università Roma Tre. Lo spettro di fluorescenza dei raggi X osservato...interpretazione. Geologiche dell’Università Roma Tre e la Prof.sa Paola Bonazzi del Dipartimento di Scienze
Journal (article/letter/editorial)
Re-definition, nomenclature and crystal-chemistry of the hellandite group ROBERTA OBERTI,1,* GIANCARLO DELLA VENTURA...Cristallografia (CSCC), via Ferrata 1, I-27100 Pavia, Italy Dipartimento di Scienze della Terra, Università...della Calabria, I-87030 Arcavacata di Rende (CS), Italy 3 Department of Geological Sciences, University...Terra, Università di Firenze, I-50121 Firenze, Italy ABSTRACT Detailed X-ray single-crystal structure...series of non-metamict samples of hellandite recently found in Latium (Italy), together with a critical re-evaluation
Report (issue)
Hellandite-(Ce) (Ca, REE)4Ce2Al 2(B4Si4O22)(OH)2 Crystal Data: Monoclinic. Point Group: 2/m. [Crystals...52 0.02 0.34 0.43 0.87 0.366 99.033 (1) Latium, Italy; electron microprobe and SIMS analyses; corresponds...772O22[F0.490(OH)0.511]Σ=1.001. Mineral Group: Hellandite group. Occurrence: Inside miarolitic cavities...From near Capranica, Tre Croci and Vetralla, Vico volcanic province, Latium, Italy. Name: For geologist...structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy) and crystal chemistry of the hellanditegroup
Journal (article/letter/editorial)
nrerheten av. Roberto tok meg med til et distrikt nrer Viterbo, litt NO for Roma, 200-300 m o.h., gammeltmlkansk...fiellveggen, - til vi endte opp i Tre Croci, nrer Vetralla (Viterbo provinsen). Herfra er det beskrevet...mineraler, som vicanite-(Ce), peprossite-(Ce), mottanaite-(Ce), ciprianiite, hellandite-(Ce) , o.fl. Men disse
Journal (article/letter/editorial)
Dissolution-Repackaging of Hellandite-(Ce), Mottanaite-(Ce)/Ferri-Mottanaite-(Ce) Maria Grazia Perna 1 ,...Dissolution-Repackaging of Hellandite-(Ce), Mottanaite(Ce)/Ferri-Mottanaite-(Ce). Minerals DiSPUTer, University...University “G. d’Annunzio” 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
Journal (article/letter/editorial)
NON-METAMICT PYROCHLORE-GROUP MINERALS FROM LATIUM, ITALY ENRICO CAPRILLI Dipartimento di Scienze della Terra...Modena, Italy GIANCARLO DELLA VENTURA§ Dipartimento di Scienze Geologiche, Università di Roma Tre, Largo...Largo S. Leonardo Murialdo 1, I-00146 Roma, Italy TERRY C. WILLIAMS Department of Mineralogy, The Natural...Geologiche, Università 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)
1457-1468 (2005) WILUITE FROM ARICCIA, LATIUM, ITALY: OCCURRENCE AND CRYSTAL STRUCTURE FABIO BELLATRECCIA...5, I–00185 Roma, Italy, and Dipartimento di Scienze Geologiche, Università Roma Tre, Largo S. Leonardo...Leonardo Murialdo 1, I–00146 Roma, Italy FERNANDO CÁMARA AND LUISA OTTOLINI CNR – Istituto di Geoscienze e...Georisorse, Sede di Pavia, via Ferrata 1, I–27100 Pavia, Italy GIANCARLO DELLA VENTURA§, GIANNANTONIO CIBIN AND...Geologiche, Università Roma Tre, Largo S. Leonardo Murialdo 1, I–00146 Roma, Italy ABSTRACT We report a new
Journal (issue)
nrerheten av. Roberto tok meg med til et distrikt nrer Viterbo, litt NO for Roma, 200-300 m o.h., gammeltmlkansk...fiellveggen, - til vi endte opp i Tre Croci, nrer Vetralla (Viterbo provinsen). Herfra er det beskrevet...mineraler, som vicanite-(Ce), peprossite-(Ce), mottanaite-(Ce), ciprianiite, hellandite-(Ce) , o.fl. Men disse...pi norske jernbane traseer. Igien forte dette til tre- 3 skogbranner langs toglinja. Brannhydranter er...Midv6gur der vi bl. a. finner stilbitt. De neste tre nettene skal vi bo pi hotell Faroyar oppe i lien
Book (edition)
Republic). W.D. Birch (Australia), Elena Bonaccorsi (Italy), Ernst A.J. Burke (Netherlands), L.J. Cabri (Canada)...M. Dcliens (Belgium). Giancarlo Delia Ventura (Italy), T.S. Ercit (Canada). Alexander Falster (USA)....(Canada). L.A. Groat (Canada). Alessandro Guastoni (Italy), William A. Henderson. Jr. (USA). D.D. Hogarth...(ltaly). Igor Pekov (Russia), atale Perchiazzi (Italy). Ole V. Petersen (Denmark). Fedcrico Pezzotta (ltaly)...Helium Holmium Al Sb A As Ba Be Bi B Br Cd Ca C Ce Cs Cl Cr Co Cu Dy Er Eu F Gd Ga Ge Au Hf He Ho Hydrogen
Book (edition)
Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0 I All rights reserved•• ·o pan...dominant rareearth element (REE). e.g. monazite-(Ce), monazite(Nd), etc. In a few cases a similar procedure...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION
 
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