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Kuzmenkoite-Zn

A valid IMA mineral species
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06555640014955149199221.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
09287170014955149191160.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
00685810014955149203588.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
05245540014947514777771.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
06840190014947514776437.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
03753870014947514774164.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
05245540014947514777771.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
01056320014950577276131.jpg
Kuzmenkoite-Zn

Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia
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About Kuzmenkoite-ZnHide

Formula:
K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O
Colour:
pink, pinkish-brown, gray, white
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.78 - 2.87
Crystal System:
Monoclinic
Name:
Named for its relationship to kuzmenkovite-Mn. The root name is in honor of Maria Vasilyevna Kuz’menko (Марии Васильевны Кузьменко) (1918–1995), Russian geochemist, mineralogist, and researcher of the Lovozero Massif.
The potassum analogue of Lepkhenelmite-Zn.


Unique IdentifiersHide

Mindat ID:
29091
Long-form identifier:
mindat:1:1:29091:9
GUID
(UUID V4):
bfc36c81-90d8-47a4-a7fd-d53315e3b599

Classification of Kuzmenkoite-ZnHide

IMA status:
Approved
Approval year:
2001
First published:
2002
Type description reference:
Chukanov, N. V., Pekov, I. V., Zadov, A. E., Azarova, Y. V., Semenov, E. I. (2002) Kuzmenkoite-Zn, K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2O, a new mineral of the labuntsovite group from Lovozero Massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 131 (2) 45-50
Strunz-mindat (2023):
9.CE.30c

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
Kz-ZnIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Kuzmenkoite-ZnHide

Lustre:
Vitreous
Transparency:
Translucent
Colour:
pink, pinkish-brown, gray, white
Streak:
White
Hardness:
5 on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
None Observed
Comment:
Fracture: rough
Density:
2.78 - 2.87 g/cm3 (Measured)    2.98 g/cm3 (Calculated)

Chemical Properties of Kuzmenkoite-ZnHide

Formula:
K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O
IMA Formula:
K2ZnTi4(Si4O12)2(OH)4 · 6-8H2O
Elements listed:
H, K, Nb, O, Si, Ti, Zn - search for minerals with similar chemistry

Crystallography of Kuzmenkoite-ZnHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Cell Parameters:
a = 14.4 Å, b = 13.85 Å, c = 7.78 Å
β = 117.33°
Ratio:
a:b:c = 1.04 : 1 : 0.562
Unit Cell V:
1,378.44 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Coarse prismatic crystals to 7 mm.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.92 Å(75)
6.40 Å(60)
3.19 Å(100)
3.09 Å(91)
2.58 Å(35)
2.49 Å(35)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks
Geological Setting:
Hydrothermal phase of alkaline pegmatites.

Type Occurrence of Kuzmenkoite-ZnHide

Type Locality:
ⓘ Lepkhe-Nel'm Mt, Seidozero Lake, Lovozersky District, Murmansk Oblast, Russia
General Appearance of Type Material:
pseudomorphs after murmanite; coarse prismatic crystals uр to 7x0.5 mm; rough crystals uр to 3x0.5x0.3 mm
Place of Conservation of Type Material:
A. E. Fersman Mineralogical Museum of Russian Academy of Science, Moscow, Russia
Geological Setting of Type Material:
Alkaline pegmatite
Associated Minerals at Type Locality:
YofortieriteVinogradoviteTundrite-(Ce)TitaniteSodalite
RanciéiteNontroniteNeptuniteNeptuniteNepheline
NatroliteMicroclineManganoneptuniteMagnesio-arfvedsoniteLorenzenite
LamprophylliteEudialyteElpiditeElpiditeElpidite
CatapleiiteBerylliteArfvedsoniteApatiteAlbite
Aegirine
Reference:
Chukanov, N.V., Pekov, I.V., Zadov, A.E., Azarova, Y.V., Semenov, E.I. (2002) Kuzmenkoite-Zn, K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2O, a new mineral of the labuntsovite group from Lovozero Massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 131(2): 45-50.
Download:
https://rruff.info/rruff_1.0/uploads/ZVMO131_45.pdf

Other Language Names for Kuzmenkoite-ZnHide

Simplified Chinese:硅钾锌铌钛石
Traditional Chinese:矽鉀鋅鈮鈦石

Relationship of Kuzmenkoite-Zn to other SpeciesHide

Member of:
Kuzmenkoite Group > Labuntsovite Supergroup
Other Members of this group:
Burovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2OMon. 2/m : B2/m
Gjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
Gjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
Gjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
Gjerdingenite-NaK2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2OMon. 2/m : B2/m
Karupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2OMon. 2/m : B2/m
Kuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2OMon. 2/m : B2/m
Lepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm

Related Minerals - Strunz-mindat GroupingHide

9.CE.Dutkevichite-(Ce)NaZnBa2Ce2Ti2Si8O26F · H2OOrth. mm2 : Ama2
9.CE.05PapagoiteCaCu[H3AlSi2O9]Mon. 2/m : B2/m
9.CE.10VerplanckiteBa4Mn2+2Si4O12(OH,H2O)3Cl3Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
9.CE.15BaotiteBa4(Ti,Nb,W)8O16(SiO3)4ClTet. 4/m : I41/a
9.CE.20NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm (2/m 2/m 2/m)
9.CE.25Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
9.CE.25Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2OOrth. mm2 : Ama2
9.CE.25Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2OMon. 2 : B2
9.CE.25Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2OOrth.
9.CE.25StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
9.CE.25Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2OOrth. mmm (2/m 2/m 2/m)
9.CE.30aUnnamed (Ca-Na-ordered analogue of Korobitsynite)(Ca,Na)2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2OOrth. 2 2 2 : P21 21 2
9.CE.30eLabuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2OMon. 2/m : B2/m
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30dLemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2OOrth.
9.CE.30aKorobitsyniteNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30cKuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2OMon. 2/m : B2/m
9.CE.30bVuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2OMon. m : Bm
9.CE.30bTsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30cKarupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2OMon. 2/m : B2/m
9.CE.30eLabuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
9.CE.30eLabuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
9.CE.30dLemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30hNeskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2OMon. m : Bm
9.CE.30bTsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30bParatsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2OMon. 2/m : B2/m
9.CE.30bTsepinite-CaCa(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30cGjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cLepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30bTsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30bParatsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8Mon. 2/m : B2/m
9.CE.30fParalabuntsovite-MgNa8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-NaK2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2OMon. 2/m : B2/m
9.CE.30hGutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. m : Bm
9.CE.30gOrganovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2OMon. 2/m : B2/m
9.CE.30gOrganovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30gParakuzmenkoite-Fe(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2OMon. 2/m : B2/m
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2OMon. 2/m : B2/m
9.CE.45Komarovite(Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.CE.45Natrokomarovite(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2OOrth.

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.

Internet Links for Kuzmenkoite-ZnHide

References for Kuzmenkoite-ZnHide

Reference List:
Chukanov, N. V., Pekov, I. V., Zadov, A. E., Azarova, Y. V., Semenov, E. I. (2002) Kuzmenkoite-Zn, K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2O, a new mineral of the labuntsovite group from Lovozero Massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 131 (2) 45-50
Chukanov, Nikita V., Pekov, Igor V., Khomyakov, Alexander P. (2002) Recommended nomenclature for labuntsovite-group minerals. European Journal of Mineralogy, 14 (1) 165-173 doi:10.1127/0935-1221/2002/0014-0165
Jambor, J.L., Kovalenker, V.A., Roberts, A.C. (2003) New mineral names. American Mineralogist: 88: 931-935 (932).

Localities for Kuzmenkoite-ZnHide

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 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.
Russia
 
  • Murmansk Oblast
    • Khibiny Massif
      • Eveslogchorr Mt
        • Astrophyllite Stream
Pekov, I.V., Chukanov, N.V., Zadov, A.E., Rozenberg, K.A., Rastsvetaeva, R.K. (2005) Tsepinite-Sr, (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2·3H2O, a new mineral of the labunstovite group. New Data on Minerals. Moscow: 40: 11-16.
    • Lovozersky District
Eur. Jour. Min.: 14: 165-173.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2002): 131(2): 45-50
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidebook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Pekov, I. V., Chukanov, N. V., Yamnova, N. A., Zadov, A. E., & Tarassoff, P. (2007). Gjerdingenite-Na and gjerdingenite-Ca, two new mineral species of the labuntsovite group. The Canadian Mineralogist, 45(3), 529-539
Eur. Jour. Min.: 14: 165-173.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2002): 131(2): 45-50
      • Seidozero Lake
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Chukanov analysis
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