Chevkinite-(Ce)
A valid IMA mineral species - grandfathered
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About Chevkinite-(Ce)
Konstantin V. Chevkin
Formula:
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Also given as (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8.
Colour:
Black
Lustre:
Resinous, Sub-Metallic
Hardness:
5 - 5½
Specific Gravity:
4.53 - 4.67
Crystal System:
Monoclinic
Member of:
Name:
Named in 1839 by Gustav Rose in honor of Konstantin Vladimirovich Chevkin (Константин Владимирович Чевкин) (26 April 1803, Kamianets-Podolsk, Ukraine - 3 November 1875, Nice France), Chief of Staff of the Russian Corps of Mining Engineers. Originally named simply chevkinite, the suffix was added by the IMA in 1987 to follow the Levinson rule for denoting the dominant rare-earth element.
Type Locality:
Easily confused with perrierite-(Ce).
May bear some Ti3+ that may be related to Nb(V) enrichment (Stachowicz, 2019).
May bear some Ti3+ that may be related to Nb(V) enrichment (Stachowicz, 2019).
Unique Identifiers
Mindat ID:
6867
Long-form identifier:
mindat:1:1:6867:9
Similar Names
| Chevkinit | A synonym of 'Chevkinite' | |
| Chevkinite | A synonym of Chevkinite Group | |
| Chevkinite-(Nd) | (Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ? |
IMA Classification of Chevkinite-(Ce)
Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Renamed by the IMA
IMA Formula:
Ce3+4(Ti4+,Fe2+,Fe3+)5O8(Si2O7)2
Classification of Chevkinite-(Ce)
9.BE.70
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
56.2.8.1
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Cvk-Ce | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Chv | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Chevkinite-(Ce)
Resinous, Sub-Metallic
Comment:
Strong sub-metallic to waxy
Colour:
Black
Comment:
Red to orange-brown inner reflections
Hardness:
5 - 5½ on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
4.53 - 4.67 g/cm3 (Measured) 4.99 g/cm3 (Calculated)
Comment:
Density data from www.handbookofmineralogy.org
Optical Data of Chevkinite-(Ce)
Type:
Biaxial (-)
RI values:
nα = 1.967 - 1.973 nβ = 2.02 nγ = 2.05
Max. Birefringence:
δ = 0.077 - 0.083
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure
- the conoscopic view for a grain cut perpendicular to the acute bisectrix, using
this mineral's 2V. The two small white dots mark the melatopes - the points
where the two optic axes emerge - and are shown only when they fall within the
field of view. The coloured bands are isochromatics, and the dark bands are
isogyres.
Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
No measured or calculated 2V is on file for this mineral, so the value used here (74°) is estimated from its recorded refractive indices and optic sign, not from a direct 2V measurement.
Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
No measured or calculated 2V is on file for this mineral, so the value used here (74°) is estimated from its recorded refractive indices and optic sign, not from a direct 2V measurement.
Dispersion:
r < v; distinct to strong
Optical Extinction:
Z ∧ c = 11°-26°.
Comments:
Absorption: Z > Y > X.
Chemistry of Chevkinite-(Ce)
Mindat Formula:
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Also given as (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8.
Also given as (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8.
Element Weights:
Common Impurities:
Ca,Nb,Mg,Th,Sr,Zr
Chemical Analysis
Oxide wt%:
| 1 | 2 | 3 | |
|---|---|---|---|
| SiO2 | 19.86 % | 19.49 % | 19.18 % |
| TiO2 | 17.07 % | 16.98 % | 16.23 % |
| ThO2 | 1.62 % | 3.55 % | 3.05 % |
| Al2O3 | 0.07 % | 0.10 % | |
| FeO | 10.06 % | 9.13 % | 10.80 % |
| MnO | 1.01 % | 2.65 % | 0.82 % |
| MgO | 0.49 % | 0.09 % | 0.13 % |
| CaO | 3.20 % | 2.09 % | 2.59 % |
| SrO | 0.32 % | 0.28 % | |
| Na2O | 0.17 % | 0.14 % | 0.09 % |
| K2O | 0.07 % | 0.08 % | 0.07 % |
| Y2O3 | 0.29 % | 0.06 % | 0.37 % |
| La2O3 | 23.76 % | 23.75 % | 19.48 % |
| Ce2O3 | 19.26 % | 19.63 % | 22.31 % |
| Pr2O3 | 2.46 % | 2.36 % | 2.43 % |
| Nd2O3 | 2.32 % | 1.52 % | 3.14 % |
| Tb2O3 | 0.16 % | 0.17 % | 0.21 % |
| Yb2O3 | 0.06 % | 0.06 % | 0.13 % |
| Dy2O3 | 0.15 % | ||
| Ho2O3 | 0.06 % | 0.09 % | |
| Eu2O3 | 0.07 % | ||
| Total: | 102.25 % | 102.34 % | 101.19 % |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Buer, Bjørkedalen, Porsgrunn, Telemark, Norway | Electron microprobe | |
| 2 | Hviteberget, Stokkøya, Larvik Commune, Vestfold, Norway | Electron microprobe. Total Fe as FeO | |
| 3 | Grønåsveien, Bugården, Sandefjord, Vestfold, Norway | Electron microprobe |
Crystallography of Chevkinite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 13.370(3) Å, b = 5.660(2) Å, c = 11.280(3) Å
β = 100.87(3)°
β = 100.87(3)°
Ratio:
a:b:c = 2.362 : 1 : 1.993
Unit Cell V:
838.29 ų (Calculated from Unit Cell)
Z:
2
Twinning:
Twin plane {001}.
Comment:
Some material is metamict.
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0005959 | Chevkinite-(Ce) | Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M (2004) Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement Reported formula: (Ce1.88 La1.01 Nd.61 Pr.19 Sm.06 Gd.03 Ca.27 Y.03 Th.02) (Fe2+.93 Mn.06 Zr.01) (Ti2.55 Fe3+1.29 Nb.16) Si3.91 O22 Crystal (3an) The Canadian Mineralogist 42 1013-1025 |  | 2004 | Mongolia | 0 | 293 |
| 0005958 | Chevkinite-(Ce) | Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M (2004) Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement Reported formula: (Ce1.85 La1.11 Nd.53 Pr.15 Sm.04 Gd.03 Ca.32 Th.02) (Fe2+.85 Mn2+.04 Zr.03 Y.03 Ca.05) (Ti2.54 Fe3+1.19 Nb.15) Si4.06 O22 Crystal (2an) The Canadian Mineralogist 42 1013-1025 | | 2004 | Mongolia | 0 | 293 |
| 0005957 | Chevkinite-(Ce) | Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M (2004) Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement Reported formula: (Ce1.85 La1.11 Nd.53 Pr.15 Sm.04 Gd.03 Ca.32 Th.02) (Fe2+.85 Mn2+.04 Zr.03 Y.03 Ca.05) (Ti2.54 Fe3+1.19 Nb.15) Si4.06 O22 Crystal (2) The Canadian Mineralogist 42 1013-1025 | | 2004 | Mongolia | 0 | 293 |
| 0005956 | Chevkinite-(Ce) | Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M (2004) Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement Crystal (1) The Canadian Mineralogist 42 1013-1025 | | 2004 | Mongolia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.58 Å | (40) |
| 3.46 Å | (40) |
| 3.17 Å | (100) |
| 3.14 Å | (100) |
| 2.71 Å | (100) |
| 2.16 Å | (50) |
| 1.961 Å | (50) |
Comments:
Close to perrierite.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 9 : Lava/xenolith minerals (hornfels, sanidinite facies) | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites | |
| 35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Chevkinite-(Ce)
General Appearance of Type Material:
Crystals up to 5 cm.
Geological Setting of Type Material:
Aegirine-quartz-feldspar pegmatites.
Associated Minerals at Type Locality:
Synonyms of Chevkinite-(Ce)
Other Language Names for Chevkinite-(Ce)
Dutch:Chevkiniet-(Ce)
Russian:Чевкинит-(Ce)
Varieties of Chevkinite-(Ce)
| Niobochevkinite | Named in 1959 by B. A. Makarochkin as niobian variety of chevkinite. Originally from fenitised granitic pegmatite of Mine #378 of Ilmen Mineralogical Reserve. The material contain up to 7.40 wt.% of Nb2O5. |
Relationship of Chevkinite-(Ce) to other Species
Member of:
Other Members of Chevkinite Subgroup:
| 'Chevkinite-(Nd)' | (Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ? | |
| Christofschäferite-(Ce) | Ce3CaMnTiFe3+Ti2(Si2O7)2O8 | Mon. 2/m : P21/m |
| Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 | Mon. 2/m : B2/m |
| Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2(Si2O7)2O8 | Mon. 2/m : P21/b |
| Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 | Mon. 2/m : B2/m |
| Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 | Mon. 2/m : B2/m |
Common Associates
Associations Based on Photo Data:
| 11 photos of Chevkinite-(Ce) associated with Microcline | K(AlSi3O8) |
| 8 photos of Chevkinite-(Ce) associated with Zircon | Zr(SiO4) |
| 8 photos of Chevkinite-(Ce) associated with Albite | Na(AlSi3O8) |
| 7 photos of Chevkinite-(Ce) associated with Dalyite | K2ZrSi6O15 |
| 7 photos of Chevkinite-(Ce) associated with Bastnäsite-(Ce) | Ce(CO3)F |
| 7 photos of Chevkinite-(Ce) associated with Quartz | SiO2 |
| 6 photos of Chevkinite-(Ce) associated with Aluminocerite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3 |
| 6 photos of Chevkinite-(Ce) associated with Ilmenite | Fe2+TiO3 |
| 5 photos of Chevkinite-(Ce) associated with Ferro-actinolite | ◻Ca2Fe2+5(Si8O22)(OH)2 |
| 4 photos of Chevkinite-(Ce) associated with Titanite | CaTiO(SiO4) |
Related Minerals - Strunz-mindat Grouping
| 9.BE. | Zinkgruvanite | Ba4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2 |
| 9.BE. | Calciomurmanite | (Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4 |
| 9.BE. | Cámaraite | Ba3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7 |
| 9.BE. | Alfredcasparite | Sr2TiO(Si2O7) |
| 9.BE. | Batievaite-(Y) | Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 |
| 9.BE. | Nacareniobsite-(Y) | Na3Ca3YNb(Si2O7)2OF3 |
| 9.BE. | Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) |
| 9.BE. | Bobshannonite | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 |
| 9.BE. | Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) |
| 9.BE. | Madeiraite | Na2Ca2Fe2Zr2(Si2O7)2O2F2 |
| 9.BE. | Bortolanite | Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 |
| 9.BE. | Longshoushanite-(Ce) | Ce4MgAl2Ti2(Si2O7)2O8 |
| 9.BE. | Moxuanxueite | NaCa6Zr(Si2O7)2OF3 |
| 9.BE. | Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 |
| 9.BE. | Christofschäferite-(Ce) | Ce3CaMnTiFe3+Ti2(Si2O7)2O8 |
| 9.BE.X | Asimowite | Fe2+4O(Si2O7) |
| 9.BE. | Biraite-(La) | La2Fe2+(CO3)(Si2O7) |
| 9.BE. | Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 |
| 9.BE.02 | Wadsleyite | Mg4O(Si2O7) |
| 9.BE.02 | Ohtaniite | Mg3(Si0.5◻0.5)Si2O8 |
| 9.BE.05 | Lawsonite | CaAl2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Cortesognoite | CaV2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O |
| 9.BE.05 | Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O |
| 9.BE.07 | Ilvaite | CaFe3+Fe2+2(Si2O7)O(OH) |
| 9.BE.07 | Amamoorite | CaMn2+2Mn3+(Si2O7)O(OH) |
| 9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) |
| 9.BE.10 | Suolunite | Ca2(H2Si2O7) · H2O |
| 9.BE.12 | Jaffeite | Ca6(Si2O7)(OH)6 |
| 9.BE.15 | Fresnoite | Ba2Ti(Si2O7)O |
| 9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 |
| 9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 |
| 9.BE.17 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 |
| 9.BE.17 | Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF |
| 9.BE.17 | Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 |
| 9.BE.17 | Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| 9.BE.17 | Cuspidine | Ca8(Si2O7)2F4 |
| 9.BE.17 | Wöhlerite | Na2Ca4ZrNb(Si2O7)2O3F |
| 9.BE.17 | Baghdadite | Ca6Zr2(Si2O7)2O4 |
| 9.BE.20 | Nacareniobsite-(Ce) | Na3Ca3(Ce,REE)Nb(Si2O7)2OF3 |
| 9.BE.20 | Roumaite | (Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3 |
| 9.BE.20 | Rinkite-(Ce) | (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2 |
| 9.BE.20 | Nacareniobsite-(Nd) | Ca2(CaNd)Na3Nb(Si2O7)2(OF)F2 |
| 9.BE.20 | Rinkite-(Y) | Na2Ca4YTi(Si2O7)2OF3 |
| 9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| 9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 |
| 9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 |
| 9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 |
| 9.BE.22 | Fogoite-(Y) | Na3Ca2Y2Ti(Si2O7)2OF3 |
| 9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 |
| 9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 |
| 9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 |
| 9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 |
| 9.BE.25 | Nabalamprophyllite | (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2 |
| 9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 |
| 9.BE.25 | Ericssonite | BaMn2+2Fe3+(Si2O7)O(OH) |
| 9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 |
| 9.BE.25 | Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 |
| 9.BE.25 | Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 |
| 9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 |
| 9.BE.25 | Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) |
| 9.BE.25 | 'Ericssonite-2O' | BaMn2+2Fe3+(Si2O7)O(OH) |
| 9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] |
| 9.BE.25 | Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 |
| 9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 |
| 9.BE.27 | Kolskyite | CaNa2Ti4(Si2O7)2O4(H2O)7 |
| 9.BE.27 | Vigrishinite | NaZnTi4(Si2O7)2O3(OH)(H2O)4 |
| 9.BE.27 | Selivanovaite | NaFe3+Ti4(Si2O7)2O4(H2O)4 |
| 9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O |
| 9.BE.30 | Epistolite | (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4 |
| 9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 |
| 9.BE.35 | Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) |
| 9.BE.37 | Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 |
| 9.BE.40 | Ferroinnelite | Ba4Ti2Na(NaFe2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] |
| 9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F |
| 9.BE.40 | Innelite | Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] |
| 9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) |
| 9.BE.42 | Horiite | Ba2Mn2Mn4Ti2(Si2O7)2(PO4)2O2(OH)2 |
| 9.BE.45 | Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 |
| 9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 |
| 9.BE.50 | Shkatulkalite | Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 |
| 9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F |
| 9.BE.55 | Hejtmanite | Ba2Mn2+4Ti2(Si2O7)2O2(OH)2F2 |
| 9.BE.55 | Bykovaite | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2O |
| 9.BE.55 | Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O |
| 9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 |
| 9.BE.60 | Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O |
| 9.BE.62 | 'Orthochevkinite' | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| 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 |
| 9.BE.67 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F |
| 9.BE.67 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F |
| 9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2(Si2O7)2O8 |
| 9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 |
| 9.BE.70 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O |
| 9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 |
| 9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 |
| 9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 |
| 9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 |
| 9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 |
| 9.BE.70 | 'UM2008-53-SiO:SrTiZr' | Sr4ZrTi4(Si2O7)2O8 |
| 9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 |
| 9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 |
| 9.BE.72 | Fersmanite | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 |
| 9.BE.75 | Belkovite | Ba3(Nb,Ti)6(Si2O7)2O12 |
| 9.BE.77 | Nasonite | Pb6Ca4(Si2O7)3Cl2 |
| 9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 |
| 9.BE.80 | Kentrolite | Pb2Mn3+2(Si2O7)O2 |
| 9.BE.82 | Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) |
| 9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 |
| 9.BE.85 | Killalaite | Ca6.4(H0.6Si2O7)2(OH)2 |
| 9.BE.87 | Stavelotite-(La) | (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 |
| 9.BE.90 | Magnesiorowlandite-(Y) | Y4(Mg,Fe)(Si2O7)2F2 |
| 9.BE.90 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) |
| 9.BE.92 | Cervandonite-(Ce) | (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) |
| 9.BE.92 | Chirvinskyite | (Na,Ca)13(Fe,Mn,◻)2(Ti,Zr)5(Si2O7)4(OH,O)12 · 2H2O |
| 9.BE.95 | Rusinovite | Ca10(Si2O7)3Cl2 |
| 9.BE.95 | Batisivite | BaV3+8Ti6(Si2O7)O22 |
| 9.BE.97 | Schlüterite-(Y) | (Y,REE)2AlSi2O7(OH)2F |
Other Information
Health Risks:
Very often is radioactive.
Internet Links for Chevkinite-(Ce)
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References for Chevkinite-(Ce)
Reference List:
Calvo, Crispin, Faggiani, and R. (1974) A re-investigation of the crystal structures of chevkinite and perrierite. American Mineralogist, 59 (11-12) 1277-1285
Nickel, Ernest H., Mandarino, Joseph A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist, 72 (9-10) 1031-1042
Jambor, John L., Puziewirz, Jacek, Roberts, Andrew C. (1995) New Mineral Names. American Mineralogist, 80. 1328-1333
Yang, Zhuming, Fleck, Michel, Smith, Martin, Tao, Kejie, Song, Renkui, Zhang, Peishan (2002) The crystal structure of natural Fe-rich chevkinite-(Ce) European Journal of Mineralogy, 14 (5) 969-975 doi:10.1127/0935-1221/2002/0014-0969
Macdonald, R., Belkin, H. E. (2002) Compositional variation in minerals of the chevkinite group. Mineralogical Magazine, 66 (6) 1075-1098 doi:10.1180/0026461026660078
Troll, Valentin R., Sachs, Peter M., Schmincke, Hans-Ulrich, Sumita, Mari (2003) The REE-Ti mineral chevkinite in comenditic magmas from Gran Canaria, Spain: a SYXRF-probe study. Contributions to Mineralogy and Petrology, 145 (6) 730-741 doi:10.1007/s00410-003-0475-9
Sokolova, E., Hawthorne, F. C., Della Ventura, G., Kartashov, P. M. (2004) Chevkinite-(Ce): crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement. The Canadian Mineralogist, 42 (4). 1013-1025 doi:10.2113/gscanmin.42.4.1013
Yang, Zhuming, Li, He, Liu, Milan, Franz, Pertlik (2007) Crystal Chemistry of Iron in Non-Metamict Chevkinite-(Ce): Valence State and Site Occupation Proportions. Journal of Rare Earths, 25 (2). 238-242 doi:10.1016/s1002-0721(07)60080-5
Muhling, J. R., Suvorova, A. A., Rasmussen, B. (2014) The occurrence and composition of chevkinite-(Ce) and perrierite-(Ce) in tholeiitic intrusive rocks and lunar mare basalt. American Mineralogist, 99 (10) 1911-1921 doi:10.2138/am-2014-4690
Bagiński, B., Macdonald, R., Dzierżanowski, P., Zozulya, D., Kartashov, P. M. (2015) Hydrothermal alteration of chevkinite-group minerals: products and mechanisms. Part 1. Hydration of chevkinite-(Ce) Mineralogical Magazine, 79 (5) 1019-1037 doi:10.1180/minmag.2015.079.5.01
Macdonald, Ray, Bagiński, Bogusław, Belkin, Harvey E., Stachowicz, Marcin (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals. American Mineralogist, 104 (3) 348-369 doi:10.2138/am-2019-6772
Stachowicz, Marcin, Welch, Mark D., Bagiński, Bogusław, Kartashov, Pavel M., Macdonald, Ray, Woźniak, Krzysztof (2019) Cation ordering, valence states, and symmetry breaking in the crystal-chemically complex mineral chevkinite-(Ce): Recrystallization, transformation, and metamict states in chevkinite. American Mineralogist, 104 (10) 1481-1486 doi:10.2138/am-2019-6458
Lacinska, Alicja, Rushton, Jeremy, Burgess, Simon, Deady, Eimear A., Turner, Gren (2021) The Effect of X-ray Energy Overlaps on the Microanalysis of Chevkinite (Ce, La, Ca, Th)4(Fe2+, Mg)2(Ti, Fe3+)3Si4O22 Using SEM EDS-WDS. Minerals, 11 (10) 1063 doi:10.3390/min11101063
Carbonin, Susanna, Ridolfi, Filippo, Renzulli, Alberto, Belluso, Elena, Nodari, Luca, Liziero, Federica, Capella, Silvana (2024) Mineral and crystal chemical study of pseudo-C2/m non-metamict chevkinite-(Ce): An investigation into the intracrystalline distribution of LREE, HREE, and octahedral cations in samples from the Azores and Pakistan. American Mineralogist, 109 (5) 896-914 doi:10.2138/am-2022-8658
Localities for Chevkinite-(Ce)
Showing 143 localities.
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Água de Pau Volcano, São Miguel, Azores, Portugal