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Shcherbakovite

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About ShcherbakoviteHide

Dmitri Ivanovich Shcherbakov (1893-1966)
Formula:
(K,Ba)KNa(Ti,Nb)2(Si4O12)O2
Colour:
Dark brown
Lustre:
Vitreous, Greasy
Hardness:
Crystal System:
Orthorhombic
Member of:
Name:
Named by E.M. Es'kova and M.E. Kazakova in 1954 in honor of Dmitri Ivanovich Shcherbakov (13 January 1893 - 25 May 1966, Moscow, Russia) geochemist and mineralogist.
Batisite Group.
Easily confused with batisite.

Note: the "shcherbakovite" described by Mitchell (1990) is in fact noonkanbahite.


Classification of ShcherbakoviteHide

Approved, 'Grandfathered' (first described prior to 1959)
9.DH.20

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
65.3.4.2

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
3 : Single-Width Unbranched Chains, W=1 with chains P=4
17.8.13

17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate

Physical Properties of ShcherbakoviteHide

Vitreous, Greasy
Transparency:
Opaque
Colour:
Dark brown
Hardness:
6½ on Mohs scale

Optical Data of ShcherbakoviteHide

Type:
Biaxial (-)
RI values:
nα = 1.707 nβ = 1.745 nγ = 1.776
2V:
Measured: 82° , Calculated: 82°
Max Birefringence:
δ = 0.069
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of ShcherbakoviteHide

Formula:
(K,Ba)KNa(Ti,Nb)2(Si4O12)O2
IMA Formula:
K2NaTi2O(OH)Si4O12
Idealised Formula:
KKNaTi2(Si4O12)O2
Common Impurities:
Zr,Al,Fe,Ta,Mn,Mg,Ca,Cl,H2O

Crystallography of ShcherbakoviteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 10.55 Å, b = 13.92 Å, c = 8.1 Å
Ratio:
a:b:c = 0.758 : 1 : 0.582
Unit Cell V:
1,189.53 ų (Calculated from Unit Cell)

Type Occurrence of ShcherbakoviteHide

Synonyms of ShcherbakoviteHide

Other Language Names for ShcherbakoviteHide

Relationship of Shcherbakovite to other SpeciesHide

Member of:
Other Members of this group:
BatisiteBaNaNaTi2(Si4O12)O2Orth.
NoonkanbahiteBaKNaTi2(Si4O12)O2Orth.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Aegirine2 photos of Shcherbakovite associated with Aegirine on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DH.05LeucophaniteNaCaBeSi2O6FOrth. 2 2 2 : P21 21 21
9.DH.10OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
9.DH.15HaradaiteSrVSi2O7Orth.
9.DH.15SuzukiiteBaVSi2O7Orth.
9.DH.20BatisiteBaNaNaTi2(Si4O12)O2Orth.
9.DH.25TaikaniteSr3BaMn2+2(Si4O12)O2Mon.
9.DH.30KrauskopfiteBaSi2O5 · 3H2OMon.
9.DH.35Balangeroite(Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40Mon.
9.DH.35GageiteMn21(Si4O12)2O3(OH)20Mon. 2/m
9.DH.40AenigmatiteNa2Fe2+5Ti(Si6O18)O2Tric. 1 : P1
9.DH.40DorriteCa4(Mg3Fe3+9)O4(Si3Al8Fe3+O36)Tric.
9.DH.40HøgtuvaiteCa4[Fe2+6Fe3+6]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.40KrinoviteNa2Mg4Cr3+2(Si6O18)O2Tric.
9.DH.40Makarochkinite(Ca,Na)2Fe2+4Fe3+Ti[O2|BeAlSi4O18]Tric. 1 : P1
9.DH.40RhöniteCa2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18]Tric. 1 : P1
9.DH.40SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
9.DH.40WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1
9.DH.40WilkinsoniteNa2Fe2+4Fe3+2(Si6O18)O2Tric. 1 : P1
9.DH.45SapphirineMg4(Mg3Al9)O4[Si3Al9O36]Mon. 2/m : P21/b
9.DH.50Khmaralite(Mg,Al,Fe)16[(Al,Si,Be)12O36]O4Mon. 2/m : P21/b
9.DH.55Surinamite(Mg,Fe)3Al4BeSi3O16Mon.
9.DH.60Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5Mon.
9.DH.65HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13Tric.
9.DH.65Taneyamalite(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44Tric.
9.DH.70JohninnesiteNa2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2Tric.
9.DH.75AgrelliteNaCa2Si4O10FTric.

Related Minerals - Dana Grouping (8th Ed.)Hide

65.3.4.1BatisiteBaNaNaTi2(Si4O12)O2Orth.
65.3.4.3OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
65.3.4.3IMA2009-059BaKNaTi2(Si4O12)O2Orth. mmm (2/m 2/m 2/m) : Imma

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.8.1EpistoliteNa2(Nb,Ti)2(Si2O7)O2 · nH2OTric.
17.8.2MurmaniteNa2Ti2(Si2O7)O2 · 2H2OTric.
17.8.3PerraultiteBaNaMn2+4Ti2(Si2O7)2O2(OH)2FMon. 2/m : B2/m
17.8.4Niocalite(Ca,Nb)4(Si2O7)(O,OH,F)2Mon.
17.8.5MongoliteCa4Nb6Si5O24(OH)10 · nH2OTet.
17.8.6FersmaniteCa4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3Tric.
17.8.7Nacareniobsite-(Ce)NbNa3Ca3(Ce,REE )(Si2O7)2OF3Mon.
17.8.8Nenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pbam
17.8.9Natrokomarovite(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2OOrth.
17.8.10WöhleriteNaCa2(Zr,Nb)(Si2O7)(O,OH,F)2Mon. 2 : P21
17.8.11BelkoviteBa3(Nb,Ti)6(Si2O7)2O12Hex.
17.8.12BaotiteBa4Ti8Si4O28ClTet. 4/m : I41/a
17.8.14Ilímaussite-(Ce)(Na,K)7-8(Ba,K)10Ce5(Nb,Ti)6(Si3O9)4(Si9O18)O6(O,OH)24Trig. 3 2 : R3 2
17.8.15Komarovite(Ca,Mn)Nb2[O3|Si2O7] · 3.5H2OOrth.
17.8.16Manganbelyankinite(Mn,Ca)(Ti,Nb)5O12 · 9H2O
17.8.17Niobophyllite(K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31Tric.
17.8.18Caesium-Kupletskite(Cs,K,Na)3(Mn,Fe2+)7(Ti,Nb)2Si8O24(O,OH,F)7

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 ShcherbakoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Es'kova, E.M., Kazakova, M.E. (1954) Shcherbakovite - a new mineral. Doklady Akademii Nauk SSSR: 99: 837-840.
Fleischer, M. (1955) New mineral names. American Mineralogist: 40: 787-788.
Mitchell, R.H. (1990) Mineralogical Magazine: 54: 645-646.
Uvarova, Y.A., Sokolova, E., Hawthorne, F.C., Liferovich, R.P., Mitchell, R.H. (2003) The crystal chemistry of shcherbakovite from the Khibina massif, Kola Peninsula, Russia. The Canadian Mineralogist: 41: 1193-1201.
Jambor, J.L., Roberts, A.C. (2004) New mineral names. American Mineralogist: 89: 1826-1834.
Krivovichev, S.V., Yakovenchuk, V.N., Pakhomovsky, Y.A. (2004) Topology and symmetry of titanosilicate framework in the crystal structure of shcherbakovite, Na(K,Ba)2(Ti,Nb)2[Si4O12]. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 133: 55-63.
Piilonen, P.C., Ercit, T.S., Roberts, A.C. (2005) New mineral names. American Mineralogist: 90: 768-773.

Internet Links for ShcherbakoviteHide

Localities for ShcherbakoviteHide

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.
Australia
 
  • Western Australia
    • Derby-West Kimberley Shire
      • Noonkanbah Station
Mineralogical Magazine 1984 48 : 263-266; Mineralogical Magazine 1965 34 : 403-405.; Dept of Mines WA (1990), Geology and Mineral Resources of WA, GSWA, State Government of WA, 1990
Canada
 
  • Nunavut
    • Baffin Island
Hogarth, D.D. (1997) Mineralogy of the leucite-bearing dykes from Napoleon Bay, Baffin Island; multistage proterozoic lamproites. Canadian Mineralogist 35, 53-78
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Yakutia)
[World of Stones 12:49]
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Eveslogchorr Mt
Men'shikov Yu.P., Khomyakov A.P., Ferraris G. e.a. (2003) Eveslogite, (Ca,K,Na,Sr,Ba)48[(Ti,Nb,Mn,Fe")12(OH)12Si48O144](F,OH,Cl)14, a new mineral from the Khibiny alkaline massif, Kola peninsula, Russia, - Zapiski VMO, 132(1), pp. 59-67 (in Rus.).
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
        • Koashva Mt
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Kapustin, Y. L., Pudovkina, Z. V., Bykova, A. V., & Lyubomilova, G. V. (1975). Koashvite, a new mineral. International Geology Review, 17(6), 654-660.
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; ZRMO 138(2),52-66(2009)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Am Min 79:1011; Belakovskiy D, Smith D G W, Welch M (2013) New mineral names. American Mineralogist 98, 811-815
          • Rasvumchorr Mine
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov I.V., Zubkova N.V., Filinchuk Ya.E., Chukanov N.V., Zadov A.E., Pushcharovsky D.Yu., Gobechiya E.R. (2010): Shlykovite, KCa[Si4O9(OH)]·3H2O, and cryptophyllite, K2Ca[Si4O10]·5H2O, two new mineral species from the Khibiny alkaline complex, Kola Peninsula, Russia. Zapiski RMO, 139(1), 37-50.
        • The Carbonatite Stock in the vicinity of Tul'ilukht Bay
[Mandarino, 1997]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pavel M. Kartashov data; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Ferraris, G., Ivaldi, G., Pushcharovsky, D. Y., Zubkova, N. V., & Pekov, I. V. (2001). The crystal structure of delindeite, Ba2 {(Na, K,□) 3 (Ti, Fe)[Ti2 (O, OH) 4Si4O14](H2O, OH) 2}, a member of the mero-plesiotype bafertisite series. The Canadian Mineralogist, 39(5), 1307-1316
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Khomyakov, A. P., Pushcharovskiy, D. Y., & Ronsbo, J. G. (1983). Clinophosinaite, Na3CaPSiO7, a new mineral. International Geology Review, 25(6), 731-734.
      • Kovdor Massif
Moiseev, M.M., and Chukanov, N.V. (2007): New Data on Minerals 41, 46–55.
Arzamastseva, L.V., Pakhomovsky, Ya.A. [Арзамасцева, Л.В., Пахомовский Я.А.] (1999): Mineral associations in rocks of Niva agpaitic intrusion (Kola Peninsula) as indicators of its forming conditions [Минеральные ассоциации пород агпаитовой интрузии Нива (Кольский Полуостров) как индикаторы условий ее образования]. Zap. VMO [Зап. ВМО], 128, 6, 1-16 (in Russian); Arzamastsev, A.A., Belyatsky, B.V., Arzamastseva, L.V. (2000): Agpaitic magmatism in the northeastern Baltic Shield: a study of the Niva intrusion, Kola Peninsula, Russia. Lithos, 51, 1, 27-46.
USA
 
  • Wyoming
    • Sweetwater Co.
Rocks & Minerals 76:390
Mitchell R.H. and Bergman S.C. (1991) Petrology of Lamproites, Plenum Press, New-York, 447 pp
Mitchell R.H. (1990) Mineralogical Magazine 54: 645-646
Mitchell R.H. (1990) Mineralogical Magazine 54: 645-646
Mineral and/or Locality  
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