Cervandonite-(Ce)
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About Cervandonite-(Ce)

Mt. Cervandone area: view from the east
Mt. Cervandone area, Devero Alp, Baceno, Devero Valley, Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Mt. Cervandone area, Devero Alp, Baceno, Devero Valley, Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Formula:
(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)
Hardness:
5
Crystal System:
Trigonal
Name:
Named in 1988 by T. Armbruster, C. Bühler, S. Graeser, H.A. Stalder, and G. Amthauer for the type locality at Pizzo Cervandone, a mountain ridge along the Italian-Swiss border.
This page provides mineralogical data about Cervandonite-(Ce).
Classification of Cervandonite-(Ce)
Approved
8/D.11-10
9.BE.92
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
43.4.12.1
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
17.7.21
17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate
17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate
Physical Properties of Cervandonite-(Ce)
Hardness:
5 on Mohs scale
Optical Data of Cervandonite-(Ce)
Type:
Biaxial
RI values:
nα = 1.990 nγ = 2.000
Max Birefringence:
δ = 0.010

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v
Chemical Properties of Cervandonite-(Ce)
Formula:
(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)
IMA Formula:
(Ce,Nd,La)(Fe3+,Ti,Fe2+,Al)3O2(Si2O7)1-x+y(AsO3)1+x-y(OH)3x-3y
Crystallography of Cervandonite-(Ce)
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 6.508(1) Å, c = 18.520(3) Å
Ratio:
a:c = 1 : 2.846
Unit Cell V:
679.4 ų
Z:
3
Comment:
Monoclinic supercell (Z = 6)
Type Occurrence of Cervandonite-(Ce)
Synonyms of Cervandonite-(Ce)
Other Language Names for Cervandonite-(Ce)
German:Cervandonit
Cervandonit-(Ce)
Cervandonit-(Ce)
Spanish:Cervandonita
Common Associates
Associated Minerals Based on Photo Data:
Quartz | 4 photos of Cervandonite-(Ce) associated with Quartz on mindat.org. |
Deveroite-(Ce) | 3 photos of Cervandonite-(Ce) associated with Deveroite-(Ce) on mindat.org. |
Niobian Rutile | 1 photo of Cervandonite-(Ce) associated with Niobian Rutile on mindat.org. |
Muscovite | 1 photo of Cervandonite-(Ce) associated with Muscovite on mindat.org. |
Hematite | 1 photo of Cervandonite-(Ce) associated with Hematite on mindat.org. |
Rutile | 1 photo of Cervandonite-(Ce) associated with Rutile on mindat.org. |
Synchysite-(Ce) | 1 photo of Cervandonite-(Ce) associated with Synchysite-(Ce) on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
9.BE.02 | Wadsleyite | (Mg,Fe2+)2(SiO4) | Orth. |
9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O | Orth. |
9.BE.05 | Lawsonite | CaAl2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
9.BE.05 | Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O | Orth. |
9.BE.05 | Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O | Orth. |
9.BE.07 | Ilvaite | CaFe3+Fe2+2(Si2O7)O(OH) | Orth. mmm (2/m 2/m 2/m) |
9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) | Mon. 2/m : P21/b |
9.BE.10 | Suolunite | Ca2(H2Si2O7) · H2O | Orth. |
9.BE.12 | Jaffeite | Ca6(Si2O7)(OH)6 | Trig. 3 : P3 |
9.BE.15 | Fresnoite | Ba2Ti(Si2O7)O | Tet. |
9.BE.17 | Baghdadite | Ca3(Zr,Ti)(Si2O7)O2 | Mon. |
9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 | Mon. |
9.BE.17 | Cuspidine | Ca4(Si2O7)(F,OH)2 | Mon. 2/m : P21/b |
9.BE.17 | Hiortdahlite | (Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4 | Tric. |
9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 | Mon. 2/m : P21/m |
9.BE.17 | Låvenite | (Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2 | Mon. 2/m : P21/b |
9.BE.17 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 | Mon. |
9.BE.17 | Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF | Mon. 2/m : P21/b |
9.BE.17 | Wöhlerite | NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2 | Mon. 2 : P21 |
9.BE.17 | Hiortdahlite I | Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5 | |
9.BE.17 | Marianoite | Na2Ca4(Nb,Zr)2(Si2O7)2(O,F)4 | Mon. 2 : P21 |
9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5☐0.5]Ti(Si2O7)2(OH)2(H2O)2 | Mon. 2/m : P21/b |
9.BE.20 | Nacareniobsite-(Ce) | NbNa3Ca3(Ce,REE )(Si2O7)2OF3 | Mon. |
9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 | Tric. 1 : P1 |
9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 | Tric. 1 : P1 |
9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 | Tric. 1 : P1 |
9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 | Tric. 1 : P1 |
9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
9.BE.25 | Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) | Mon. |
9.BE.25 | Ericssonite | BaMn2+2Fe3+(Si2O7)O(OH) | Mon. 2/m : B2/m |
9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 | Mon. |
9.BE.25 | Ericssonite-2O | BaMn2+2Fe3+(Si2O7)O(OH) | Orth. |
9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 | Mon. |
9.BE.25 | Nabalamprophyllite | Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2 | Mon. 2/m |
9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 | Mon. 2/m : P2/b |
9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 | Tric. 1 : P1 |
9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] | Mon. 2/m : B2/m |
9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
9.BE.30 | Epistolite | Na2(Nb,Ti)2(Si2O7)O2 · nH2O | Tric. |
9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 | Tric. |
9.BE.35 | Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) | Tric. |
9.BE.37 | Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 | Mon. m : Pb |
9.BE.40 | Innelite | Na2CaBa4Ti3(Si2O7)2(SO4)2O4 | Tric. 1 : P1 |
9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F | Tric. |
9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) | Tric. 1 : P1 |
9.BE.45 | Quadruphite | Na14Ca2Ti4(Si2O7)2(PO4)2O2F | Tric. |
9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 | Tric. 1 : P1 |
9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F | Tric. 1 : P1 |
9.BE.50 | Shkatulkalite | Na5(Nb1−xTix)2(Ti1−yMn2+y)[Si2O7]2O2(OH)2·nH2O (x + y = 0.5; n ≤ 10) | Mon. 2/m : P2/m |
9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 | Tric. |
9.BE.55 | Hejtmanite | Ba2(Mn2+,Fe2+)4Ti2(Si2O7)2O2(OH)2F2 | Tric. 1 |
9.BE.55 | Bykovaite | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2O | Mon. 2/m |
9.BE.55 | Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O | Mon. 2/m : B2/m |
9.BE.60 | Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O | Mon. |
9.BE.65 | Bussenite | Na2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3F | Tric. 1 : P1 |
9.BE.67 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F | Tric. 1 : P1 |
9.BE.67 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F | Mon. 2/m : B2/m |
9.BE.67 | Surkhobite | NaCaBa2Mn8Ti4(Si2O7)4O5F5 | |
9.BE.70 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O | |
9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 | Mon. |
9.BE.70 | Chevkinite-(Ce) | (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 | Mon. 2/m : B2/m |
9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 | Mon. 2/m : B2/m |
9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe,Mn2+,Mg)Fe3+2(Ti,Fe3+)2(Si2O7)2O8 | Mon. 2/m : P21/b |
9.BE.70 | UKI-2008-(SiO:SrTiZr) | Sr4ZrTi4(Si2O7)2O8 | Orth. mmm (2/m 2/m 2/m) : Pbca |
9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 | Mon. 2/m : B2/m |
9.BE.72 | Fersmanite | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 | Tric. |
9.BE.75 | Belkovite | Ba3(Nb,Ti)6(Si2O7)2O12 | Hex. |
9.BE.77 | Nasonite | Pb6Ca4(Si2O7)3Cl2 | Hex. |
9.BE.80 | Kentrolite | Pb2Mn3+2(Si2O7)O2 | Orth. mmm (2/m 2/m 2/m) : Pbcm |
9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 | Orth. |
9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 | Mon. |
9.BE.85 | Killalaite | Ca6.4(H0.6Si2O7)2(OH)2 | Mon. |
9.BE.87 | Stavelotite-(La) | (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 | Trig. 3 : P31 |
9.BE.90 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) | Mon. 2/m : P21/b |
9.BE.95 | Batisivite | BaV3+8Ti6(Si2O7)O22 | Tric. 1 : P1 |
Related Minerals - Hey's Chemical Index of Minerals Grouping
17.7.1 | Suzukiite | BaVSi2O7 | Orth. |
17.7.2 | Franciscanite | Mn2+6(V5+,☐)2(SiO4)2(O,OH)6 | Hex. |
17.7.3 | Kurumsakite | (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) | |
17.7.4 | Ardennite-(As) | Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6 | Orth. mmm (2/m 2/m 2/m) |
17.7.5 | Medaite | Mn2+6V5+Si5O18(OH) | Mon. |
17.7.6 | Johninnesite | Na2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2 | Tric. |
17.7.7 | Tiragalloite | Mn2+4As5+Si3O12(OH) | Mon. 2/m |
17.7.8 | Dixenite | CuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6 | Trig. |
17.7.9 | Asbecasite | Ca3(Ti,Sn4+)Be2(AsO3)6(SiO4)2 | Trig. 3m : P3c1 |
17.7.10 | Mcgovernite | Mn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21 | Trig. 3m (3 2/m) |
17.7.11 | Kraisslite | Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16 | Orth. 2 2 2 : C2 2 21 |
17.7.12 | Schallerite | Mn2+16As3Si12O36(OH)17 | Trig. 3m : P3m1 |
17.7.13 | Nelenite | (Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3] | Mon. |
17.7.14 | Kolicite | Mn2+7Zn4(AsO4)2(SiO4)2(OH)8 | Orth. mmm (2/m 2/m 2/m) : Cmca |
17.7.15 | Yeatmanite | Zn6Mn2+9Sb5+2(SiO4)4O12 | Tric. |
17.7.16 | Welshite | Ca4Mg9Sb3O4[Si6Be3AlFe2O36] | Tric. 1 : P1 |
17.7.17 | Katoptrite | (Mn2+,Mg)13(Al,Fe3+)4Sb5+2(SiO4)2O20 | Mon. 2/m : B2/m |
17.7.18 | Parwelite | Mn10Sb2As2Si2O24 | Mon. m : Bb |
17.7.19 | Långbanite | Mn2+4Mn3+9Sb5+O16(SiO4)2 | Trig. 3m : P3m1 |
17.7.20 | Chapmanite | Fe3+2Sb3+(Si2O5)O3(OH) | Mon. m : Bm |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Cervandonite-(Ce)
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Armbruster, T., Bühler, C., Graeser, S., Stalder, H.A., Amthauer, G. (1988) Cervandonite-(Ce), (Ce,Nd,La)(Fe3+,Fe2+,Ti4+,Al)3SiAs(Si,As)O13, a new alpine fissure mineral. Schweizerische Mineralogische und Petrographische Mitteilungen: 68: 125-132.
Jambor, J.L., Grew, E.S. (1990) New mineral names. American Mineralogist: 75: 931-937.
Roth, P. (2007) Minerals first discovered in Switzerland and minerals named after Swiss individuals, Kristallografik Verlag (Achberg Germany), 50-51.
Demartin, F., Gramaccioli, C.M., Graeser, S. (2008) The crystal structure of cervandonite-(Ce), an interesting example of As3+ → Si diadochy. Canadian Mineralogist: 46: 423-430.
Ciriotti, M.E., Fascio, L., Pasero, M. (2009) Italian type minerals. Edizioni Plus – Università di Pisa, Pisa, 357 pp. (p.75)
Internet Links for Cervandonite-(Ce)
mindat.org URL:
https://www.mindat.org/min-935.html
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External Links:
Mineral Dealers:
Localities for Cervandonite-(Ce)
Locality List




All localities listed without proper references should be considered as questionable.
Italy (TL) | |
| Stalder, H.A. (1987): Eine neue Mineralart entdeckt, Cervandonit – Funde in Italien und in der Schweiz. Berner Zeitung, 26 mars 1987, 47; Armbruster, T., Bühler, C., Graeser, S., Stalder, H.A., Amthauer, G. (1988): Cervandonite-(Ce), (Ce,Nd,La)(Fe3+,Fe2+Ti,Al)3SiAs(Si,As)O13, a new Alpine fissure mineral. Schweizerische Mineralogische und Petrographische Mitteilungen, 68, 125-132; Frey, A., Margot, C., Mumenthaler, T. (1988): Cervandonite-(Ce), une nouvelle espèce minérale de la région du Cherbadung (CH) / P. Cervandone (I). Schweizer Strahler, 1988, 125-132; Graeser, S. (1989): Gasparite-(Ce) e Cervandonite-(Ce), due nuovi minerali della regione Cervandone/Cherbandung. Rivista Mineralogica Italiana, 1989, 151-156; Mineralogical Record 23:435, 21:489; Guastoni, A., Pezzotta, F., Vignola, P. (2006): Characterization and genetic inferences of arsenates, sulfates and vanadates of Fe, Cu, Pb, Zn from Mount Cervandone (Western Alps, Italy). Periodico di Mineralogia, 76, 141-150. |
Albertini C. (1991): L'Alpe Devero ed i suoi minerali. Edizioni Grafica P.G.A., Dormelletto (Novara), 299 pp.; Piccoli G.C., Maletto G., Bosio P., Lombardo B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp. | |
Switzerland | |
| Armbruster, T., Bühler, C., Graeser, S., Stalder, H.A., Amthauer, G. (1988): Cervandonite-(Ce), (Ce,Nd,La)(Fe3+,Fe2+Ti,Al)3SiAs(Si,As)O13, a new Alpine fissure mineral. Schweizerische Mineralogische und Petrographische Mitteilungen, 68, 125-132 |
| [MinRec 27:302]; American Mineralogist, Volume 79, pages 996-1002, 1994 |
Wanni glacier - Scherbadung area, Kriegalp Valley, Binn Valley, Wallis, Switzerland