Kuzmenkoite-Zn
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About Kuzmenkoite-Zn
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
Member of:
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.
Classification of Kuzmenkoite-Zn
Approved
Approval year:
2001
9.CE.30c
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Physical Properties of Kuzmenkoite-Zn
Vitreous
Transparency:
Translucent
Colour:
pink, pinkish-brown, gray, white
Streak:
White
Hardness:
5 on Mohs scale
Hardness Data:
Measured
Density:
2.78 - 2.87 g/cm3 (Measured)
Chemical Properties of Kuzmenkoite-Zn
Formula:
K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O
IMA Formula:
K2ZnTi4(Si4O12)2(OH)4 · 6-8H2O
Crystallography of Kuzmenkoite-Zn
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
Ratio:
a:b:c = 1.04 : 1 : 0.562
Unit Cell V:
0.00 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Coarse prismatic crystals to 7 mm.
Geological Environment
Geological Setting:
Hydrothermal phase of alkaline pegmatites.
Type Occurrence of Kuzmenkoite-Zn
Other Language Names for Kuzmenkoite-Zn
Relationship of Kuzmenkoite-Zn to other Species
Member of:
Other Members of this group:
Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O | Mon. 2/m : B2/m |
Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Gjerdingenite-Na | K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O | Mon. 2/m : B2/m |
Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O | Mon. 2/m : B2/m |
Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O | Mon. |
Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
Related Minerals - Nickel-Strunz Grouping
9.CE.05 | Papagoite | CaCu[H3AlSi2O9] | Mon. |
9.CE.10 | Verplanckite | Ba4Mn2+2Si4O12(OH,H2O)3Cl3 | Hex. |
9.CE.15 | Baotite | Ba4(Ti,Nb,W)8O16(SiO3)4Cl | Tet. 4/m : I41/a |
9.CE.20 | Nagashimalite | Ba4(V,Ti)4B2Si8O27(O,OH)2Cl | Orth. mmm (2/m 2/m 2/m) : Pmmn |
9.CE.20 | Taramellite | Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. mmm (2/m 2/m 2/m) : Pmmn |
9.CE.20 | Titantaramellite | Ba4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. |
9.CE.25 | Bario-orthojoaquinite | (Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O | Orth. |
9.CE.25 | Byelorussite-(Ce) | NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O | Orth. mm2 : Ama2 |
9.CE.25 | Joaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O | Mon. 2 : B2 |
9.CE.25 | Orthojoaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O | Orth. |
9.CE.25 | Strontiojoaquinite | Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O | Mon. |
9.CE.25 | Strontio-orthojoaquinite | (Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2O | Orth. |
9.CE.25 | Orthojoaquinite-(La) | NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O | Orth. |
9.CE.30e | Labuntsovite-Mn | Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O | Mon. 2/m : B2/m |
9.CE.30a | Nenadkevichite | (Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O | Orth. mmm (2/m 2/m 2/m) : Pbam |
9.CE.30d | Lemmleinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O | Orth. |
9.CE.30a | Korobitsynite | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O | Orth. mmm (2/m 2/m 2/m) : Pbam |
9.CE.30c | Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O | Mon. |
9.CE.30b | Vuoriyarvite-K | K2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O | Mon. |
9.CE.30b | Tsepinite-Na | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. |
9.CE.30c | Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O | Mon. 2/m : B2/m |
9.CE.30e | Labuntsovite-Mg | Na4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. |
9.CE.30e | Labuntsovite-Fe | Na4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. |
9.CE.30d | Lemmleinite-Ba | Na2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. 2/m : B2/m |
9.CE.30c | Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30h | Neskevaaraite-Fe | K3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O | Mon. m : Bm |
9.CE.30b | Tsepinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. 2/m : B2/m |
9.CE.30b | Paratsepinite-Ba | Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O | Mon. 2/m : B2/m |
9.CE.30b | Tsepinite-Ca | Ca(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. 2/m : B2/m |
9.CE.30h | Alsakharovite-Zn | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
9.CE.30c | Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30c | Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
9.CE.30b | Tsepinite-Sr | Sr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. m : Bm |
9.CE.30b | Paratsepinite-Na | (Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8 | Mon. 2/m : B2/m |
9.CE.30f | Paralabuntsovite-Mg | Na8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2O | Mon. 2/m |
9.CE.30c | Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30c | Gjerdingenite-Na | K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O | Mon. 2/m : B2/m |
9.CE.30h | Gutkovaite-Mn | K2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. |
9.CE.30g | Organovaite-Mn | K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O | Mon. 2/m : B2/m |
9.CE.30g | Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30g | Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O | Mon. 2/m : B2/m |
9.CE.30c | Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O | Mon. 2/m : B2/m |
9.CE.45 | Komarovite | (Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2O | Orth. |
9.CE.45 | Natrokomarovite | (Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O | Orth. |
Other Information
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 Kuzmenkoite-Zn
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2002): 131(2): 45-50.[Am.Min. 88,932(2003) abstract]
European Journal of Mineralogy: 14: 165-173.
Internet Links for Kuzmenkoite-Zn
mindat.org URL:
https://www.mindat.org/min-29091.html
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External Links:
Mineral Dealers:
Localities for Kuzmenkoite-Zn
Locality List




All localities listed without proper references should be considered as questionable.
Russia | |
| Pekov et al (2005) New Data on Minerals Vol 40 pp11-16 |
| Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2002): 131(2): 45-50; Eur. Jour. Min.: 14: 165-173.; 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. 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 | |
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2002): 131(2): 45-50; Eur. Jour. Min.: 14: 165-173. | |
| Pekov, I. et al (2003): New Data on Minerals: 38: 20-33. |
Chukanov analysis |
Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia