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Nabokoite

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About NabokoiteHide

Sofia I. Naboko
Formula:
KCu7(SO4)5(Te4+O3)OCl
Colour:
Translucent yellowish-brown
Hardness:
Crystal System:
Tetragonal
Name:
Named in 1987 by V.I. Popova, V.A. Popov, N.S. Rudashevskiy, S.F. Glavatskikh, V.O. Polyakov, A.F. Bushmakin in honor of Sofia Ivanovna Naboko (Софьи Ивановны Набоко) (13 September 1909, St Petersburg, Russian Empire - 2005), Institute of Volcanology, Petropavlovsk-Kamchatskii, Russia. Naboko was an investigator of postvolcanic processes of Kamchatka and collected the first samples of the mineral. The mineral sophiite is also named for her.

Classification of NabokoiteHide

Approved
Approval Year:
1985
7.BC.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
30.1.17.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
26.29

26 : Sulphates with Halide

Physical Properties of NabokoiteHide

Colour:
Translucent yellowish-brown
Hardness:
2½ on Mohs scale

Optical Data of NabokoiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.778 nε = 1.773
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of NabokoiteHide

Formula:
KCu7(SO4)5(Te4+O3)OCl
IMA Formula:
Cu7Te4+O4(SO4)5 · KCl

Crystallography of NabokoiteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 9.84 Å, c = 20.52 Å
Ratio:
a:c = 1 : 2.085
Unit Cell V:
1,986.86 ų (Calculated from Unit Cell)

Occurrences of NabokoiteHide

Paragenetic Mode(s):
•  Fumarolic

Type Occurrence of NabokoiteHide

Synonyms of NabokoiteHide

Other Language Names for NabokoiteHide

German:Nabokoit
Spanish:Nabokoita

Relationship of Nabokoite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Atlasovite3 photos of Nabokoite associated with Atlasovite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.BC.Adranosite-(Fe)(NH4)4NaFe3+2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.Adranosite(NH4)4NaAl2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.05D'AnsiteNa21Mg(SO4)10Cl3Iso.
7.BC.10AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Ammonioalunite(NH4)Al3(SO4)2(OH)6Trig.
7.BC.10Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Beaverite-(Cu)Pb(Fe3+2Cu)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10DorallchariteTlFe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10HuangiteCa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10JarositeKFe3+ 3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Natroalunite-2c(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10OsarizawaitePb(Al2Cu2+)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10PlumbojarositePb0.5Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig.
7.BC.10WalthieriteBa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Beaverite-(Zn)Pb(Fe3+2Zn)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.15Ye'elimiteCa4Al6(SO4)O12Iso.
7.BC.20AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
7.BC.25ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BC.30EuchlorineKNaCu3(SO4)3OMon.
7.BC.30FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
7.BC.35KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
7.BC.40PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet.
7.BC.45KlyuchevskiteK3Cu3(Fe3+,Al)(SO4)4O2Mon.
7.BC.45AlumoklyuchevskiteK3Cu3(Al,Fe3+)(SO4)4O2Tric. 1 : P1
7.BC.50CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
7.BC.55WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
7.BC.60MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
7.BC.65LinaritePbCu(SO4)(OH)2Mon. 2/m : P21/m
7.BC.65SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4Mon.
7.BC.65MunakataitePb2Cu2(Se4+O3)(SO4)(OH)4Mon. 2/m : P21/m
7.BC.70ChenitePb4Cu(SO4)2(OH)6Tric. 1 : P1
7.BC.75KrivovichevitePb3Al(OH)6(SO4)(OH)Trig. 3m : R3c
7.BC.80AnhydrokainiteKMg(SO4)Cl

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

30.1.17.2AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

26.1KogarkoiteNa3(SO4)FMon.
26.2SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
26.3SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
26.4GaleiteNa15(SO4)5F4ClTrig.
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
26.6ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
26.7KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
26.9AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
26.12D'AnsiteNa21Mg(SO4)10Cl3Iso.
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
26.16Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
26.17WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2OIso.
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2OIso.
26.22GrandreefitePb2(SO4)F2Mon. 2/m
26.23PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2
26.24SundiusitePb10(SO4)O8Cl2Mon.
26.25CaracoliteNa3Pb2(SO4)3ClMon.
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
26.28XitieshaniteFe3+(SO4)Cl · 6H2OMon.

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 NabokoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Popova, V.I., Popov, V.A., Rudashevskiy, N.S., Glavatskikh, S.F., Polyakov, V.O., Bushmakin, A.F. (1987) Nabokoite Cu7TeO4(SO4)5·KCl and atlasovite Cu6Fe3+Bi3+O4(SO4)5·KCl. New minerals of volcanic exhalations. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 116(3): 358-367.
Jambor, J.L., Bladh, K.W., Ercit, T.S., Grice, J.D., Grew, E.S. (1988) New mineral names. American Mineralogist: 73: 927-935.
Pertlik, F., Zemann, J. (1988) The crystal structure of nabokoite, Cu7TeO4(SO4)5·KCL: the first example of a Te(IV)O4 pyramid with exactly tetragonal symmetry. Mineralogy and Petrology: 38: 291-298.

Internet Links for NabokoiteHide

Localities for NabokoiteHide

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.
Russia
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Zapiski Vses. Mineralog. Obshch.(1987) 116, 358-367; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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