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Cervandonite-(Ce)

A valid IMA mineral species

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Photos of Cervandonite-(Ce) (69)

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Cervandonite-(Ce)

Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland

Cervandonite-(Ce)

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Cervandonite-(Ce)

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Cervandonite-(Ce)

Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland

Cervandonite-(Ce)

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Cervandonite-(Ce)

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Cervandonite-(Ce)

Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland

Cervandonite-(Ce)

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

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About Cervandonite-(Ce)Hide

Mt. Cervandone area: view from the east

Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Formula:

(Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)

Colour:

Black

Lustre:

Adamantine

Hardness:

Specific Gravity:

4.9 (Calculated)

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. The suffix/modifier indicates the species has essential REE, predominantly cerium.

Co-Type Localities:

ⓘ Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy
ⓘ Wanni glacier - Scherbadung area (Monte Cervandone), Binn, Goms, Valais, Switzerland

This page provides mineralogical data about Cervandonite-(Ce).

Unique IdentifiersHide

Mindat ID:

935

Long-form identifier:

mindat:1:1:935:3

GUID
(UUID V4):

9002b584-4892-4a66-8515-0894f390e3aa

IMA Classification of Cervandonite-(Ce)Hide

IMA status:

Approved

IMA Formula:

(Ce,Nd,La)(Fe³⁺,Ti,Fe²⁺,Al)₃O₂(Si₂O₇)_1-x+y(AsO₃)_1+x-y(OH)_3x-3y

First published:

1988

Classification of Cervandonite-(Ce)Hide

Strunz-mindat (2024):

9.BE.92

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si₂O₇ groups, with additional anions; cations in octahedral [6] and greater coordination

Dana 8th ed.:

43.4.12.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen

Hey's CIM Ref.:

17.7.21

17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Cvd-Ce	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Cervandonite-(Ce)Hide

Lustre:

Adamantine

Transparency:

Translucent, Opaque

Colour:

Black

Comment:

Translucent in thin splinters.

Streak:

Brownish black

Hardness:

5 on Mohs scale

Hardness:

VHN₅₀=450 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

Poor/Indistinct
On {001}

Fracture:

Conchoidal

Density:

4.9 g/cm³ (Calculated)

Optical Data of Cervandonite-(Ce)Hide

Type:

Biaxial

RI values:

n_α = 1.990 n_γ = 2.000

Max Birefringence:

δ = 0.010

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

r > v

Comments:

Refractive indices are ~1.99 parallel to a direction in which the grain is yellowish, reddish brown, and ~2.0 where black.

Chemistry of Cervandonite-(Ce)Hide

Mindat Formula:

(Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)

Elements listed:

Al, As, Ce, Fe, H, La, Nd, O, Si, Ti - search for minerals with similar chemistry

Crystallography of Cervandonite-(Ce)Hide

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 Å³

Morphology:

Rosette-like aggregates.

Comment:

Monoclinic supercell (Z = 6)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0006185	Cervandonite-(Ce)	Demartin F, Gramaccioli C M, Graeser S (2008) The crystal structure of cervandonite-(Ce), an interesting example of As3+ - Si diadochy The Canadian Mineralogist 46 423-430		2008	Alpine fissures at Pizzo Cervandone, Scherbadung, Central Alps	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Cervandonite-(Ce)'
loop_
_publ_author_name
'Demartin F'
'Gramaccioli C M'
'Graeser S'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 46 
_journal_year 2008
_journal_page_first 423
_journal_page_last 430
_publ_section_title
;
 The crystal structure of cervandonite-(Ce), an interesting example of
 As3+ - Si diadochy
 Note: Chemistry from original description of the mineral.
;
_database_code_amcsd 0006185
_chemical_compound_source 'Alpine fissures at Pizzo Cervandone, Scherbadung, Central Alps'
_chemical_formula_sum '(Ce.44 Nd.22 La.21 Th.06 Y.03 U.02 Ca.02) Fe1.671 Ti.939 Al.381 Sn.009 As1.16 Si1.68 O13'
_cell_length_a 6.508
_cell_length_b 6.508
_cell_length_c 18.520
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 679.308
_exptl_crystal_density_diffrn      4.667
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ce   0.00000   0.00000   0.00000   0.44000   0.02030
Nd   0.00000   0.00000   0.00000   0.22000   0.02030
La   0.00000   0.00000   0.00000   0.21000   0.02030
Th   0.00000   0.00000   0.00000   0.06000   0.02030
Y   0.00000   0.00000   0.00000   0.03000   0.02030
U   0.00000   0.00000   0.00000   0.02000   0.02030
Ca   0.00000   0.00000   0.00000   0.02000   0.02030
Fe3+   0.16820   0.33650  -0.16610   0.41700   0.03090
Fe2+   0.16820   0.33650  -0.16610   0.14000   0.03090
Ti   0.16820   0.33650  -0.16610   0.31300   0.03090
Al   0.16820   0.33650  -0.16610   0.12700   0.03090
Sn   0.16820   0.33650  -0.16610   0.00300   0.03090
As1   0.33333   0.66667   0.34700   0.58000   0.01830
As2   0.33333   0.66667  -0.01560   0.58000   0.03110
Si1   0.33333   0.66667   0.36980   0.42000   0.02910
Si2   0.33333   0.66667   0.19280   0.42000   0.01880
Si3   0.33333   0.66667   0.14240   0.42000   0.01880
Si4   0.33333   0.66667  -0.03550   0.42000   0.02910
O1   0.00000   0.00000  -0.14040   1.00000   0.07100
O2   0.00000   0.00000   0.14000   1.00000   0.07200
O3   0.20240   0.40480   0.16730   1.00000   0.02910
O4   0.06080   0.53040   0.39260   1.00000   0.03490
O5   0.19260   0.38530  -0.06380   1.00000   0.02370
O6   0.33333   0.66667   0.28240   1.00000   0.03800
O7   0.33333   0.66667   0.05320   1.00000   0.02300
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ce 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
Nd 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
La 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
Th 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
Y 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
U 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
Ca 0.02250 0.02250 0.01590 0.01130 0.00000 0.00000
Fe3+ 0.02860 0.05850 0.01570 0.02920 0.00200 0.00400
Fe2+ 0.02860 0.05850 0.01570 0.02920 0.00200 0.00400
Ti 0.02860 0.05850 0.01570 0.02920 0.00200 0.00400
Al 0.02860 0.05850 0.01570 0.02920 0.00200 0.00400
Sn 0.02860 0.05850 0.01570 0.02920 0.00200 0.00400
As1 0.02320 0.02320 0.00840 0.01160 0.00000 0.00000
As2 0.04000 0.04000 0.01330 0.02000 0.00000 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.390 Å	(80)
3.2530 Å	(90)
3.0847 Å	(80)
2.8785 Å	(100)
2.7867 Å	(60)
2.6964 Å	(50)

Comments:

Monte Cervandone area, Italy. Data from type description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
Stage 7: Great Oxidation Event	<2.4
46 : Near-surface hydrothermal alteration of minerals (see also #22)

Type Occurrence of Cervandonite-(Ce)Hide

Co-Type Localities:

ⓘ Monte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy
ⓘ Wanni glacier - Scherbadung area (Monte Cervandone), Binn, Goms, Valais, Switzerland

General Appearance of Type Material:

Black, rosettelike aggregates up to 4 mm in diameter.

Place of Conservation of Type Material:

Naturhistorisches Museum, Basel, Switzerland, number M30802 (holotype).
Naturhistorisches Museum, Bern, Switzerland, numbers B3953 and B4695 (cotype, Italy).
Naturhistorisches Museum, Bern, Switzerland, number B4880 (cotype, Switzerland)

Geological Setting of Type Material:

Narrow fissures.

Associated Minerals at Type Locality:

Quartz	Albite	Mica Group	Rutile	Anatase
Chlorite Group	Tourmaline	Senaite	Hematite	Magnetite
Magnetite	Synchysite

Synonyms of Cervandonite-(Ce)Hide

Cervandonite

IMA1986-044

Other Language Names for Cervandonite-(Ce)Hide

German:Cervandonit
Cervandonit-(Ce)

Spanish:Cervandonita

Common AssociatesHide

Associated Minerals Based on Photo Data:

7 photos of Cervandonite-(Ce) associated with Deveroite-(Ce)	Ce₂(C₂O₄)₃ · 10H₂O
6 photos of Cervandonite-(Ce) associated with Quartz	SiO₂
5 photos of Cervandonite-(Ce) associated with Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
1 photo of Cervandonite-(Ce) associated with Chernovite-(Y)	Y(AsO₄)
1 photo of Cervandonite-(Ce) associated with Niobium-bearing Rutile	(Ti,Nb)O₂
1 photo of Cervandonite-(Ce) associated with Hematite	Fe₂O₃
1 photo of Cervandonite-(Ce) associated with Rutile	TiO₂
1 photo of Cervandonite-(Ce) associated with Synchysite-(Ce)	CaCe(CO₃)₂F

Related Minerals - Strunz-mindat Grouping Hide

9.BE.	Paralomonosovite	Na₆◻₄Ti₄(Si₂O₇)₂[PO₃OH][PO₂(OH)₂]O₂(OF)	Tric. 1 : P1
9.BE.	Cámaraite	Ba₃Na(Fe²⁺,Mn)₈Ti₄(Si₂O₇)₄O₄(OH,F)₇	Tric. 1
9.BE.	Christofschäferite-(Ce)	Ce₃CaMnTiFe(³⁺)Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/m
9.BE.	Bobshannonite	Na₂KBa(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂	Tric.
9.BE.	Calciomurmanite	(Na,◻)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Batievaite-(Y)	Y₂Ca₂Ti(Si₂O₇)₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Delhuyarite-(Ce)	Ce₄Mg(Fe³⁺,W)₃◻(Si₂O₇)₂O₆(OH)₂	Mon. 2/m : B2/m
9.BE.X	Asimowite	Fe²⁺₄O(Si₂O₇)	Orth. mmm (2/m 2/m 2/m) : Imma
9.BE.	Moxuanxueite	NaCa₆Zr(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.	Alexkuznetsovite-(Ce)	Ce₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Biraite-(La)	La₂Fe²⁺(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Zinkgruvanite	Ba₄Mn²⁺₄Fe³⁺₂(Si₂O₇)₂(SO₄)₂O₂(OH)₂	Tric. 1 : P1
9.BE.	Madeiraite	Na₂Ca₂Fe₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.	Bortolanite	Ca₂(Ca_1.5Zr_0.5)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂	Tric. 1 : P1
9.BE.	Nacareniobsite-(Y)	Na₃Ca₃YNb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.	Pilanesbergite	Na₂Ca₂Fe₂Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.	Alfredcasparite	Sr₂TiO(Si₂O₇)	Tet. 4mm : P4bm
9.BE.02	Wadsleyite	Mg₄O(Si₂O₇)	Orth. mmm (2/m 2/m 2/m) : Imma
9.BE.05	Hennomartinite	SrMn³⁺₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
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. mm2
9.BE.05	Itoigawaite	SrAl₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.05	Cortesognoite	CaV₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
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.07	Amamoorite	CaMn²⁺₂Mn³⁺(Si₂O₇)O(OH)	Mon. 2/m : P2₁/b
9.BE.10	Suolunite	Ca₂(H₂Si₂O₇) · H₂O	Orth. mm2 : Fdd2
9.BE.12	Jaffeite	Ca₆(Si₂O₇)(OH)₆	Trig. 3 : P3
9.BE.15	Fresnoite	Ba₂Ti(Si₂O₇)O	Tet. 4mm : P4bm
9.BE.17	Baghdadite	Ca₆Zr₂(Si₂O₇)₂O₄	Mon. 2/m : P2₁/b
9.BE.17	Burpalite	Na₂CaZr(Si₂O₇)F₂	Mon. 2/m : P2₁/b
9.BE.17	Cuspidine	Ca₈(Si₂O₇)₂F₄	Mon. 2/m : P2₁/b
9.BE.17	Hiortdahlite	Na₂Ca₄(Ca_0.5Zr_0.5)Zr(Si₂O₇)2OF₃	Tric. 1 : P1
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	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.17	Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂	Mon. m
9.BE.17	Normandite	NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF	Mon. 2/m : P2₁/b
9.BE.17	Wöhlerite	Na₂Ca₄ZrNb(Si₂O₇)₂O₃F	Mon. 2 : P2₁
9.BE.20	Mosandrite-(Ce)	(Ca₃REE)[(H₂O)₂Ca_0.5◻_0.5]Ti(Si₂O₇)₂(OH)₂(H₂O)₂	Mon. 2/m : P2₁/b
9.BE.20	Nacareniobsite-(Ce)	Na₃Ca₃(Ce,REE)Nb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.20	Roumaite	(Ca,Na,REE,◻)₇(Nb,Ti)[Si₂O₇]₂OF₃	Mon. m : Bb
9.BE.20	Rinkite-(Y)	Na₂Ca₄YTi(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
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.22	Fogoite-(Y)	Na₃Ca₂Y₂Ti(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. 2/m
9.BE.25	Ericssonite-2O	BaMn²⁺₂Fe³⁺(Si₂O₇)O(OH)	Orth.
9.BE.25	Seidozerite	Na₄MnZr₂Ti(Si₂O₇)₂O₂F₂	Mon. 2/m : P2/b
9.BE.25	Nabalamprophyllite	(BaNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	Mon. 2/m : P2/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	Kazanskyite	BaNa₃Ti₂Nb(Si₂O₇)₂O₂(OH)₂(H₂O)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	Saamite	Ba◻Na₃Ti₂Nb(Si₂O₇)₂O₂(OH)F(H₂O)₂	Tric. 1 : P1
9.BE.25	Fluorlamprophyllite	Na₃(SrNa)Ti₃(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. 1 : P1
9.BE.27	Vigrishinite	NaZnTi₄(Si₂O₇)₂O₃(OH)(H₂O)₄	Tric. 1 : P1
9.BE.27	Kolskyite	CaNa₂Ti₄(Si₂O₇)₂O₄(H₂O)₇	Tric. 1 : P1
9.BE.27	Selivanovaite	NaFe³⁺Ti₄(Si₂O₇)₂O₄(H₂O)₄	Tric. 1 : P1
9.BE.30	Epistolite	(Na◻)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.32	Lomonosovite	Na₅Ti₂(Si₂O₇)(PO₄)O₂	Tric. 1 : P1
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	Ba₄Ti₂Na(NaMn²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]	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	Na₆Na₂(CaNa)₂Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₄O₄F₂	Tric. 1 : P1
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	Na₂Nb₂Na₃Ti(Si₂O₇)₂O₂(FO)(H₂O)₄(H₂O)₃	Tric. 1 : P1
9.BE.55	Bafertisite	Ba₂Fe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂	Tric.
9.BE.55	Hejtmanite	Ba₂Mn²⁺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. 2/m : B2/m
9.BE.62	Orthochevkinite	(Ce,La,Ca,Na,Th)₄(Fe²⁺,Mg)₂(Ti,Fe³⁺)₃Si₄O₂₂	Orth.
9.BE.62 va	Strontium Perrierite	(Ce,Sr,La,Ca)₄Fe²⁺(Ti,Zr,Fe)₂Ti₂(Si₂O₇)₂O₈
9.BE.62	Chevkinite-(Nd)	(Nd,REE)₄(Fe²⁺,Mg)(Fe²⁺,Ti,Fe³⁺)₂(Ti,Fe³⁺)₂(Si₂O₇)₂O₈ ?
9.BE.62	Perrierite-(Nd)	Nd₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈ ?
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	Tric. 1
9.BE.70	Karnasurtite-(Ce)	(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si₂O₇)(OH)₄ · 3H₂O	Amor.
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. 2/m : P2₁/b
9.BE.70	Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂	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(Fe²⁺,Mn)(Ti,Fe³⁺,Al)₄[(Si₂O₇)O₄]₂	Mon. 2/m : P2₁/b
9.BE.70	UM2008-53-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. 6 m2 : P6₂m
9.BE.77	Nasonite	Pb₆Ca₄(Si₂O₇)₃Cl₂	Hex. 6/m : P6₃/m
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. 2 2 2 : C2 2 2₁
9.BE.82	Tilleyite	Ca₅(Si₂O₇)(CO₃)₂	Mon. 2/m : P2₁/b
9.BE.82	Alexkuznetsovite-(La)	La₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.85	Killalaite	Ca_6.4(H_0.6Si₂O₇)₂(OH)₂	Mon. 2/m : P2₁/m
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.90	Magnesiorowlandite-(Y)	Y₄(Mg,Fe)(Si₂O₇)₂F₂	Tric. 1 : P1
9.BE.92	Chirvinskyite	(Na,Ca)₁₃(Fe,Mn,◻)₂(Ti,Zr)₅(Si₂O₇)₄(OH,O)₁₂ · 2H₂O	Tric. 1 : P1
9.BE.95	Batisivite	BaV³⁺₈Ti₆(Si₂O₇)O₂₂	Tric. 1 : P1
9.BE.95	Rusinovite	Ca₁₀(Si₂O₇)₃Cl₂	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.97	Schlüterite-(Y)	(Y,REE)₂AlSi₂O₇(OH)₂F	Mon. 2/m : P2₁/b

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References for Cervandonite-(Ce)Hide

Reference List:

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, John L., Grew, Edward S. (1990) New Mineral Names. American Mineralogist, 75 (7-8) 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. The 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).

(2023) Cervandonite-(Ce) Handbook of Mineralogy. Mineralogical Society of America

Localities for Cervandonite-(Ce)Hide

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- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Italy (TL)
Piedmont Verbano-Cusio-Ossola Province Baceno Devero Alp ⓘ Monte Cervandone area (TL)	Mineralogical Record 23:435 +5 other references
ⓘ Pizzo Bandiera	Albertini C. (1991) +1 other reference

Russia
Amur Oblast Urusha-Oldoi ore district ⓘ Berezitovy mine (Berezitovoe; Konstantinovskii)	Vakh et al. (2010)

Spain
Canary Islands Las Palmas Province ⓘ Fuerteventura	Ковальчук et al. (2014)

Switzerland
Valais Goms Binn Lärchultini ⓘ Gorb	Graeser et al. (1994) +1 other reference
ⓘ Wanni glacier - Scherbadung area (Monte Cervandone) (TL)	Armbruster et al. (1988)

Cervandonite-(Ce)

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