Biraite-(Ce)
A valid IMA mineral species
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About Biraite-(Ce)
Formula:
Ce2Fe2+(Si2O7)(CO3)
Colour:
Brown
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
4.76 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
After the type locality in the Biraya Fe-REE ore occurrence, Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. The suffix denotes the dominant rare-earth element, following the IMA Levinson rule.
Unique Identifiers
Mindat ID:
27384
Long-form identifier:
mindat:1:1:27384:2
GUID
(UUID V4):
(UUID V4):
7efb571b-c855-4fe8-8c38-e1cf1b617ceb
IMA Classification of Biraite-(Ce)
Classification of Biraite-(Ce)
9.BE.90
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
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bia-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 Biraite-(Ce)
Vitreous
Transparency:
Translucent
Colour:
Brown
Streak:
White
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Density:
4.76 g/cm3 (Calculated)
Optical Data of Biraite-(Ce)
Type:
Biaxial (-)
RI values:
nα = 1.785 nβ = 1.810 nγ = 1.820
2V:
Measured: 66° , Calculated: 64°
Max Birefringence:
δ = 0.035
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:
Very High
Dispersion:
r < v, weak
Pleochroism:
Non-pleochroic
Chemistry of Biraite-(Ce)
Mindat Formula:
Ce2Fe2+(Si2O7)(CO3)
Crystallography of Biraite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 6.512 Å, b = 6.744 Å, c = 18.94 Å
β = 111.9°
β = 111.9°
Ratio:
a:b:c = 0.966 : 1 : 2.808
Unit Cell V:
771.1 ų
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.41 Å | (40) |
3.61 Å | (40) |
3.30 Å | (50) |
3.14 Å | (40) |
2.92 Å | (100) |
2.65 Å | (50) |
2.23 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
36 : Carbonatites, kimberlites, and related igneous rocks |
Type Occurrence of Biraite-(Ce)
General Appearance of Type Material:
Irregular to well-shaped grains from 0.1 to 3 mm in length.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, #91375.
Geological Setting of Type Material:
Carbonatite dyke.
Associated Minerals at Type Locality:
Synonyms of Biraite-(Ce)
Biraite (in part)
Other Language Names for Biraite-(Ce)
Relationship of Biraite-(Ce) to other Species
Member of:
Other Members of this group:
Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) | Mon. 2/m : P21/b |
Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) | Mon. 2/m : P21/b |
Biraite-(La) | La2Fe2+(CO3)(Si2O7) | Mon. 2/m : P21/b |
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Biraite-(Ce) associated with Ferriallanite-(Ce) | (CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH) |
4 photos of Biraite-(Ce) associated with Cordylite-(Ce) | NaBaCe2(CO3)4F |
4 photos of Biraite-(Ce) associated with Ferriperbøeite-(Ce) | CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 |
4 photos of Biraite-(Ce) associated with Törnebohmite-(Ce) | Ce2Al(SiO4)2(OH) |
4 photos of Biraite-(Ce) associated with Strontianite | SrCO3 |
4 photos of Biraite-(Ce) associated with Strontium-rich Calcite | (Ca,Sr)CO3 |
2 photos of Biraite-(Ce) associated with Hydroxylbastnäsite-(Ce) | Ce(CO3)(OH) |
Related Minerals - Strunz-mindat Grouping
9.BE. | Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) |
9.BE. | Cámaraite | Ba3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7 |
9.BE. | Christofschäferite-(Ce) | Ce3CaMnTiFe(3+)Ti2(Si2O7)2O8 |
9.BE. | Bobshannonite | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 |
9.BE. | Calciomurmanite | (Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4 |
9.BE. | Batievaite-(Y) | Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 |
9.BE. | Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 |
9.BE.X | Asimowite | Fe2+4O(Si2O7) |
9.BE. | Moxuanxueite | NaCa6Zr(Si2O7)2OF3 |
9.BE. | Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) |
9.BE. | Biraite-(La) | La2Fe2+(CO3)(Si2O7) |
9.BE. | Zinkgruvanite | Ba4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2 |
9.BE. | Madeiraite | Na2Ca2Fe2Zr2(Si2O7)2O2F2 |
9.BE. | Bortolanite | Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 |
9.BE. | Nacareniobsite-(Y) | Na3Ca3YNb(Si2O7)2OF3 |
9.BE. | Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 |
9.BE. | Alfredcasparite | Sr2TiO(Si2O7) |
9.BE.02 | Wadsleyite | Mg4O(Si2O7) |
9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O |
9.BE.05 | Lawsonite | CaAl2(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.05 | Cortesognoite | CaV2(Si2O7)(OH)2 · H2O |
9.BE.07 | Ilvaite | CaFe3+Fe2+2(Si2O7)O(OH) |
9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) |
9.BE.07 | Amamoorite | CaMn2+2Mn3+(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 | Baghdadite | Ca6Zr2(Si2O7)2O4 |
9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 |
9.BE.17 | Cuspidine | Ca8(Si2O7)2F4 |
9.BE.17 | Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 |
9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 |
9.BE.17 | Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
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 | Wöhlerite | Na2Ca4ZrNb(Si2O7)2O3F |
9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
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-(Y) | Na2Ca4YTi(Si2O7)2OF3 |
9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 |
9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 |
9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 |
9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 |
9.BE.22 | Fogoite-(Y) | Na3Ca2Y2Ti(Si2O7)2OF3 |
9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 |
9.BE.25 | Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) |
9.BE.25 | Ericssonite | BaMn2+2Fe3+(Si2O7)O(OH) |
9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 |
9.BE.25 | Ericssonite-2O | BaMn2+2Fe3+(Si2O7)O(OH) |
9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 |
9.BE.25 | Nabalamprophyllite | Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2 |
9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 |
9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 |
9.BE.25 | Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 |
9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 |
9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 |
9.BE.25 | Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 |
9.BE.25 | Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 |
9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] |
9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O |
9.BE.27 | Vigrishinite | NaZnTi4(Si2O7)2O3(OH)(H2O)4 |
9.BE.27 | Kolskyite | CaNa2Ti4(Si2O7)2O4(H2O)7 |
9.BE.27 | Selivanovaite | NaFe3+Ti4(Si2O7)2O4(H2O)4 |
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 | Innelite | Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] |
9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F |
9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) |
9.BE.45 | Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 |
9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 |
9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F |
9.BE.50 | Shkatulkalite | Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 |
9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 |
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.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 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O |
9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 |
9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 |
9.BE.70 | Chevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 |
9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 |
9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 |
9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8 |
9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 |
9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 |
9.BE.70 | UM2008-53-SiO:SrTiZr | Sr4ZrTi4(Si2O7)2O8 |
9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(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 | Kentrolite | Pb2Mn3+2(Si2O7)O2 |
9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 |
9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 |
9.BE.82 | Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) |
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.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 | Batisivite | BaV3+8Ti6(Si2O7)O22 |
9.BE.95 | Rusinovite | Ca10(Si2O7)3Cl2 |
9.BE.97 | Schlüterite-(Y) | (Y,REE)2AlSi2O7(OH)2F |
Other Information
Notes:
Soluble in strong acids like HCl and HNO3.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Biraite-(Ce)
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https://www.mindat.org/min-27384.html
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References for Biraite-(Ce)
Reference List:
Localities for Biraite-(Ce)
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- 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.
All localities listed without proper references should be considered as questionable.
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Ust'-Biraya, Biraya Fe-REE ore occurrence, Biraya and Bya Rivers confluence area, Vitim Plateau, Irkutsk Oblast, Russia