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Vlasovite

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About VlasoviteHide

03303510015229625725968.jpg
Kuzma A. Vlasov
Formula:
Na2ZrSi4O11
Colour:
Colorless, honey-brown
Lustre:
Greasy, Pearly
Hardness:
6
Crystal System:
Monoclinic
Name:
Named in honor of Kuzma Alekseevich Vlasov (Кузьма Алексеевич Власов) (1 (14) November 1905, Nikolaevka, Tambov Province, Russian Empire - 29 September 1964, Moscow, USSR), mineralogist and geochemist, founder of the Institute of Mineralogy (Moscow).
This page provides mineralogical data about Vlasovite.


Classification of VlasoviteHide

Approved
Approval Year:
1967
First Published:
1961
9.DM.25

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
66.2.2.1

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
2 : Amphiboles - Ca subgroup
14.10.5

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Physical Properties of VlasoviteHide

Greasy, Pearly
Transparency:
Translucent
Colour:
Colorless, honey-brown
Hardness:

Optical Data of VlasoviteHide

Type:
Biaxial (-)
RI values:
nα = 1.607 nβ = 1.623 nγ = 1.628
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v

Chemical Properties of VlasoviteHide

Formula:
Na2ZrSi4O11

Crystallography of VlasoviteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 11.0390(5) Å, b = 10.0980(4) Å, c = 8.5677(4) Å
β = 100.313(1)°
Ratio:
a:b:c = 1.093 : 1 : 0.848
Unit Cell V:
939.6 ų
Z:
4

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006128VlasoviteSokolova E, Hawthorne F C, Ball N A, Mitchell R H, Della Ventura G (2006) Vlasovite, Na2Zr(Si4O11), from the Kipawa alkaline complex, Quebec, Canada: Crystal-structure refinement and infrared spectroscopy The Canadian Mineralogist 44 1349-13562006Kipawa alkaline complex, Quebec, Canada0293
0014182VlasoviteVoronkov A A, Zhdanova T A, Pyatenko Y A (1974) Refinement of the structure of vlasovite Na2ZrSi4O11 and some characteristics of the composition and structure of the zirconosilicates Kristallografiya 19 252-25919740293
0014445VlasoviteFleet S G, Cann J R (1967) Vlasovite: a second occurrence and a triclinic to monoclinic inversion Mineralogical Magazine 36 233-24119670293
CIF Raw Data - click here to close

Type Occurrence of VlasoviteHide

Reference:
Tikhonenkova, R.P., Kazakova, M.E. (1961) Vlasovite - a new zirconium silicate from the Lovozero Massif. Doklady Akademii Nauk SSSR: 137: 944-946.

Other Language Names for VlasoviteHide

German:Vlasovit
Spanish:Vlasovita

Common AssociatesHide

Associated Minerals Based on Photo Data:
52 photos of Vlasovite associated with Eudialyte(Na3Na3Na3Na3Na3)Ca6(IVFe2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27SiO]Cl(H2O)
41 photos of Vlasovite associated with GittinsiteCaZrSi2O7
18 photos of Vlasovite associated with AlbiteNa(AlSi3O8)
16 photos of Vlasovite associated with AgrelliteNaCa2Si4O10F
9 photos of Vlasovite associated with Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
4 photos of Vlasovite associated with NephelineNa3K(Al4Si4O16)
1 photo of Vlasovite associated with ThoriteTh(SiO4)
1 photo of Vlasovite associated with AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4F

Related Minerals - Nickel-Strunz GroupingHide

9.DM.05StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.DM.10CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
9.DM.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
9.DM.10KomkoviteBaZr[Si3O9] · 3H2OTrig.
9.DM.10Sazykinaite-(Y)Na5YZr[SiO3]6 · 6H2OTrig. 3 2 : R3 2
9.DM.10Pyatenkoite-(Y)Na5YTi[SiO3]6 · 6H2OTrig. 3 2 : R3 2
9.DM.15GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
9.DM.15GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
9.DM.20ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
9.DM.30RevditeNa16Si16O27(OH)26 · 28H2OMon. 2 : B2
9.DM.35ScheuchzeriteNa(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3Tric. 1 : P1
9.DM.40TerskiteNa4ZrSi6O16 · 2H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.3ZektzeriteLiNaZrSi6O15Orth.
14.10.4ParakeldyshiteNa2ZrSi2O7Tric.
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.9ElpiditeNa2ZrSi6O15 · 3H2OOrth.
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.12KhibinskiteK2ZrSi2O7Mon.
14.10.13WadeiteK2Zr(Si3O9)Hex.
14.10.14DalyiteK2ZrSi6O15Tric.
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.19GittinsiteCaZrSi2O7Mon.
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2OOrth.
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2Mon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeKNa2Mn2(Li2ZnSi12)O30Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.30BaziriteBaZr(Si3O9)Hex.
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Other InformationHide

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 VlasoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Tikhonenkova, R.P., Kazakova, M.E. (1961) Vlasovite - a new zirconium silicate from the Lovozero Massif. Doklady Akademii Nauk SSSR: 137: 944-946.
Fleischer, M. (1961) New mineral names. American Mineralogist: 46: 1200-1204.
Voronkov, A.A., Pyatenko, Y.A. (1962) The crystal structure of vlasovite. Soviet Physics - Crystallography: 6: 755-760.
Fleet, S.G., Cann, J.R. (1967) Vlasovite: a second occurrence and a triclinic to monoclinic inversion. Mineralogical Magazine: 36: 233-241.
International Mineralogical Association (1967) Commission on new minerals and mineral names. Mineralogical Magazine: 36: 131-136.
Gittins, J., Gasparrini, E.L., Fleet, S.G. (1973) The occurrence of vlasovite in Canada. The Canadian Mineralogist: 12: 211-214.
Currie, K.L., Zaleski, E. (1985) The relative stability of elpidite and vlasovite: a P-T indicator for peralkaline rocks. The Canadian Mineralogist: 23: 577-582.
Gobechiya, E.R., Pekov, I.V., Pushcharovski, D.Yu., Ferraris, G., Gula, A., Zubkova, N.V., Chukanov, N.V. (2003), New Data on Vlasovite: Refinement of the Crystal Structure and the Radiation Damage of the Crystal during the X-ray Diffraction Experiment, Crystallography Reports - September 2003: 48(5): 750-754.
Kristallografiya: 19: 252-259.
Soviet Physics – Crystallography: 19: 152-156.
Sokolova, E., Hawthorne, F.C., Ball, N.A., Mitchell, R.H., Della Ventura, G. (2006) Vlasovite, Na2Zr(Si4O11), from the Kipawa alkaline complex, Quebec, Canada: crystal-structure refinement and infrared spectroscopy. The Canadian Mineralogist: 44: 1349-1356.

Internet Links for VlasoviteHide

Localities for VlasoviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • Eastern Antarctica
    • Queen Maud Land
Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Canada
 
  • Northwest Territories
    • Blachford Lake alkaline complex
      • Thor Lake syenite complex
MÖLLER, V. (2016) The Nature and origin of the Nechalacho Rare Metal Deposit (REE, Nb, Zr), Northwest Territories, Canada. Unpublished Ph.D. thesis, McGill University, Montreal. 409 p.
  • Québec
    • Abitibi-Témiscamingue
      • Témiscamingue RCM
        • Les Lacs-du-Témiscamingue
Kenneth L. Currie and Otto van Breemen (1996)The origin of rare minerals in the Kipawa syenite complex, western Quebec. Can Mineral 34:435-451
Miller (1996), Canadian Mineralogist: 34:349-371; Salvi & Williams-Jones (1995); Am.Min.: 80:1031-1040; Miller (1990), Newfoundland Dept. of Mines & Energy Geol. Sur. Report 90-1: 171-182.; A. Kerr and H. Rafuse (2012) Rare-earth element (REE) geochemistry of the Strange Lake deposits: Implications for resource estimation and metallogenic models. Newfoundland and Labrador Department of Natural Resources Current Research 2012 pp39-60; BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.
Portugal
 
  • Azores
    • São Miguel
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA; Lavarde, S., Chiappino, L., Alves, P., Astolfi, M., (2019) Les Minéraux du massif volcanique du Fogo, Ile de São Miguel, Açores, Portugal. Le Règne Mineral, 145, 30-50
Russia
 
  • Buryatia
    • Mama River Basin
      • Maigunda River
A.M. Portnov data; Vladykin, N. V., & Sotnikova, I. A. (2017). Petrology, geochemistry and source characteristics of the Burpala alkaline massif, North Baikal. Geoscience Frontiers, 8(4), 711-719.
  • Murmansk Oblast
    • Khibiny Massif
    • Lovozersky District
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Saint Helena
 
  • Ascension Island
http://rruff.geo.arizona.edu/doclib/mm/vol36/MM36_233.pdf
 
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