Calciomurmanite
A valid IMA mineral species
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About Calciomurmanite
Formula:
(Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4
Colour:
pale brownish, purple
Lustre:
Greasy, Pearly
Specific Gravity:
2.70
Crystal System:
Triclinic
Member of:
Name:
in allusion to calcium content and relation to murmanite
The Na-Ca ordered analogue of murmanite. Chemically related to, e.g., kolskyite.
One of many species based on sheet-structured HOH heteropolyhedral-octahedral blocks. It has three sheets of the following content:
- the O sheet: NaO6 and TiO6 octahedra forming alternating chains
- the H sheets: disilicate groups + TiO6 octahedra + CaO8 polyhedra
Water is located in 2 sites within the interlayer space.
One of many species based on sheet-structured HOH heteropolyhedral-octahedral blocks. It has three sheets of the following content:
- the O sheet: NaO6 and TiO6 octahedra forming alternating chains
- the H sheets: disilicate groups + TiO6 octahedra + CaO8 polyhedra
Water is located in 2 sites within the interlayer space.
Unique Identifiers
Mindat ID:
46606
Long-form identifier:
mindat:1:1:46606:2
GUID
(UUID V4):
(UUID V4):
ec6de0bf-b267-4efc-b050-848b1aaac173
IMA Classification of Calciomurmanite
Approved
Approval year:
2015
Type description reference:
Lykova, Inna S., Pekov, Igor V., Chukanov, Nikita V., Belakovskiy, Dmitry I., Yapaskurt, Vasiliy O., Zubkova, Natalia V., Britvin, Sergey N., Giester, Gerald (2016) Calciomurmanite, (Na,□)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4, a new mineral from the Lovozero and Khibiny alkaline complexes, Kola Peninsula, Russia. European Journal of Mineralogy, 28 (4) 835-845 doi:10.1127/ejm/2016/0028-2550
Classification of Calciomurmanite
9.BE.
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 |
---|---|---|
Cmmn | 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 Calciomurmanite
Greasy, Pearly
Comment:
nacreous on cleavage surfaces, greasy on broken ones across cleavage
Colour:
pale brownish, purple
Streak:
white
Cleavage:
Perfect
(001), micaceous
(001), micaceous
Fracture:
Step-Like
Density:
2.70(3) g/cm3 (Measured) 2.85 g/cm3 (Calculated)
Optical Data of Calciomurmanite
Type:
Biaxial (-)
RI values:
nα = 1.680(4) nβ = 1.728(4) nγ = 1.743(4)
2V:
Measured: 58° (5)
Max Birefringence:
δ = 0.063
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:
High
Chemistry of Calciomurmanite
Mindat Formula:
(Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4
Common Impurities:
Mg,Mn,Fe,Nb,Al
Crystallography of Calciomurmanite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.3470(6) Å, b = 7.0774(7) Å, c = 12.146(1) Å
α = 91.827(4)°, β = 107.527(4)°, γ = 90.155(4)°
α = 91.827(4)°, β = 107.527(4)°, γ = 90.155(4)°
Ratio:
a:b:c = 0.756 : 1 : 1.716
Unit Cell V:
438.03 ų
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
11.69 Å | (100) |
5.87 Å | (68) |
4.251 Å | (89) |
3.825 Å | (44) |
2.940 Å | (47) |
2.900 Å | (79) |
2.752 Å | (26) |
2.659 Å | (39) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Calciomurmanite
Co-Type Localities:
General Appearance of Type Material:
lamellar crystals, up to 0.1 × 0.4 × 0.6 cm, may form fan-shaped aggregates, up to 3.5 cm
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, catalogue number ST4994; cotype material is deposited in the collections of the Bel’kov Museum of Geology and Mineralogy, Kola
Geological Setting of Type Material:
hydrothermal in hyperagpaitic (peralkaline) rocks, resulting from low-temperature alteration (hydration + cation exchange) of a high-temperature phosphate-bearing titanosilicate precursor (possibly lomonosovite and/or beta-lomonosovite); associated minerals are those at the holotype locality (Flora Mt.)
Associated Minerals at Type Locality:
Reference:
Lykova, I. S., Pekov, I. V., Chukanov, N. V., Belakovskiy, D. I., Yapaskurt, V. O., Zubkova, N. V., ... & Giester, G. (2016). Calciomurmanite,(Na,□) 2Ca (Ti, Mg, Nb) 4 [Si2O7] 2O2 (OH, O) 2 (H2O) 4, a new mineral from the Lovozero and Khibiny alkaline complexes, Kola Peninsula, Russia. European Journal of Mineralogy, 28(4), 835-845.
Synonyms of Calciomurmanite
Relationship of Calciomurmanite to other Species
Member of:
Other Members of this group:
Kolskyite | CaNa2Ti4(Si2O7)2O4(H2O)7 | Tric. 1 : P1 |
Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 | Tric. 1 : P1 |
Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. 1 : P1 |
Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) | Tric. 1 : P1 |
Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 | Tric. 1 : P1 |
Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 | Tric. 1 : P1 |
Selivanovaite | NaFe3+Ti4(Si2O7)2O4(H2O)4 | Tric. 1 : P1 |
Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 | Mon. m : Pb |
Vigrishinite | NaZnTi4(Si2O7)2O3(OH)(H2O)4 | Tric. 1 : P1 |
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Calciomurmanite associated with Aegirine | NaFe3+Si2O6 |
1 photo of Calciomurmanite associated with Selsurtite | (H3O)12Na3(Ca3Mn3)(Na2Fe)Zr3◻{Si(Si3O9)2(Si9O27)Si9O24(OH)3}(OH)Cl(H2O) |
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. | 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 | (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)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 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) |
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
IR Spectrum:
spectrum is given
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 Calciomurmanite
mindat.org URL:
https://www.mindat.org/min-46606.html
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References for Calciomurmanite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter No 25. Mineralogical Magazine, 79 (3) 529-535 doi:10.1180/minmag.2015.079.3.02
Lykova, Inna S., Pekov, Igor V., Chukanov, Nikita V., Belakovskiy, Dmitry I., Yapaskurt, Vasiliy O., Zubkova, Natalia V., Britvin, Sergey N., Giester, Gerald (2016) Calciomurmanite, (Na,□)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4, a new mineral from the Lovozero and Khibiny alkaline complexes, Kola Peninsula, Russia. European Journal of Mineralogy, 28 (4) 835-845 doi:10.1127/ejm/2016/0028-2550
Sokolova, E., Cámara, F. (2017) The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1T to innelite-1A. Mineralogical Magazine, 81 (6) 1457-1484 doi:10.1180/minmag.2017.081.010
Localities for Calciomurmanite
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.
Russia (TL) | |
| Lykova et al. (2016) |
Lykova et al. (2016) | |
| Pavel M. Kartashov analytical data of ... |
| Hålenius et al. (2015) +1 other reference |
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Pyalkimpor Mountain, Lovozersky District, Murmansk Oblast, Russia