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Labuntsovite-Mn

A valid IMA mineral species - grandfathered
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05103190017060582242546.jpg
Labuntsovite-Mn, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
05196150017079969919274.jpg
Labuntsovite-Mn

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
08604290017056783485457.jpg
Labuntsovite-Mn, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
08206450017057761295407.jpg
Labuntsovite-Mn, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
01214940017078116746249.jpg
Labuntsovite-Mn

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
09365910017056669328379.jpg
Labuntsovite-Mn, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
09789460017060234447172.jpg
Labuntsovite-Mn, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
01214940017078116746249.jpg
Labuntsovite-Mn

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
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About Labuntsovite-MnHide

02642390014947074957902.jpg
Russian mineralogist Aleksander Nikolaevich Labuntsov.
Formula:
Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O
Colour:
Brownish-yellow, bright orange, dark-red
Lustre:
Greasy
Hardness:
6
Specific Gravity:
2.89 - 3.02
Crystal System:
Monoclinic
Name:
Originally named labuntsovite after the Russian mineralogists Aleksander Nikolaevich Labuntsov and Ekaterina Eutiikkieva Labuntsov-Kostyleva (for whom the mineral kostylevite is also named). Aleksander Labuntsov had earlier discovered the mineral and described it as titaniferous elpidite. The suffix/modifier was added in 2000.
This is the original labuntsovite. It is now designated labuntsovite-Mn for the dominance of manganese among the divalent cations.


Unique IdentifiersHide

Mindat ID:
2309
Long-form identifier:
mindat:1:1:2309:8
GUID
(UUID V4):
a2f67a1b-c669-4cf1-822f-22298a93fc28

IMA Classification of Labuntsovite-MnHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Renamed by the IMA
IMA Formula:
Na4K4Mn2+2Ti8O4(Si4O12)4(OH)4 · 10-12H2O
First published:
1955
Approval history:
IMA Case 00–A - Renamed (Grice and Ferraris, 2003).

Classification of Labuntsovite-MnHide

Strunz-mindat (2024):
9.CE.30e

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Hey's CIM Ref.:
16.14.8

16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb

Mineral SymbolsHide

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

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

Physical Properties of Labuntsovite-MnHide

Lustre:
Greasy
Transparency:
Transparent, Translucent
Colour:
Brownish-yellow, bright orange, dark-red
Streak:
White
Hardness:
6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On (100).
Fracture:
Sub-Conchoidal
Density:
2.89 - 3.02 g/cm3 (Measured)    

Optical Data of Labuntsovite-MnHide

Type:
Biaxial (+)
RI values:
nα = 1.684 - 1.695 nβ = 1.693 - 1.702 nγ = 1.792 - 1.814
2V:
Measured: 20° to 44°, Calculated: 30° to 36°
Max Birefringence:
δ = 0.108 - 0.119
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
strong
Optical Extinction:
X = b; Y = c; Z = a.
Pleochroism:
Visible
Comments:
Z = brownish-yellow; X = yellowish.

Chemistry of Labuntsovite-MnHide

Mindat Formula:
Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O
Elements listed:
Ba, H, K, Mn, Na, Nb, O, Si, Ti - search for minerals with similar chemistry
Common Impurities:
Fe,Mn,Mg,Ca

Crystallography of Labuntsovite-MnHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 14.18 Å, b = 13.70 Å, c = 7.74 Å
β = 117°
Ratio:
a:b:c = 1.035 : 1 : 0.565
Unit Cell V:
1,339.73 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Prismatic crystals. Forms include c{001}, b{010}, m{110}, d{011}, and s{111}.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0012358Labuntsovite-MnRastsvetaeva R K, Chukanov N V, Pekov I V, Shlyukova Z V, Khomyakov A P (1998) Structures of two potassium-rich labuntsovites in relation to the crystal chemistry of minerals of the labuntsovite-nenadkevichite family Crystallography Reports 43 820-82719980293
0015562Labuntsovite-MnGolovastikov N I (1973) Crystal structure of the alkali titanosilicate labuntsovite Soviet Physics Crystallography 18 950-95519730293
0015563Labuntsovite-MnGolovastikov N I (1974) Crystal structure of the alkali titanosilicate labuntsovite Soviet Physics Crystallography 18 596-59919740293
CIF Raw Data - click here to close

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of Labuntsovite-MnHide

Co-Type Localities:
ⓘ Yum'egor Pass, Khibiny Massif, Murmansk Oblast, Russia
ⓘ Pegmatite No. 19, Kuftnyun Mountain, Lovozersky District, Murmansk Oblast, Russia
General Appearance of Type Material:
Columnar aggregates of brownish-yellow crystals. The crystals are prismatic to 12x3x2 mm.
Place of Conservation of Type Material:
Ecole Nationale Supérieure des Mines, Paris, France, (cotype).
National Museum of Natural History, Washington, D.C., USA, number 113995 (type).
Vernadsky State Geological Museum, Moscow, Russia, number 46311 (type).
Geological Setting of Type Material:
In voids in nepheline syenite.
Associated Minerals at Type Locality:
NephelineNatroliteMurmaniteMicroclineManganese Oxides
LorenzeniteEudialyteAnalcimeAlbiteAegirine

Synonyms of Labuntsovite-MnHide

Other Language Names for Labuntsovite-MnHide

Relationship of Labuntsovite-Mn to other SpeciesHide

Member of:
Labuntsovite Group > Labuntsovite Supergroup
Other Members of this group:
Labuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
Labuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
UM2006-16- SiO:BaFeHKMgMnNaNbTiK3.58Na2.06Ba1.65(H2O)1.58(Mn0.42Mg0.20Fe0.16)[Ti6.75Nb0.65(OH)0.9O0.1)8(Si4O12)4] · 11.5H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
16 photos of Labuntsovite-Mn associated with Tsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
15 photos of Labuntsovite-Mn associated with CalciteCaCO3
14 photos of Labuntsovite-Mn associated with AegirineNaFe3+Si2O6
8 photos of Labuntsovite-Mn associated with Delindeite(Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O
7 photos of Labuntsovite-Mn associated with MicroclineK(AlSi3O8)
7 photos of Labuntsovite-Mn associated with NatroliteNa2Al2Si3O10 · 2H2O
7 photos of Labuntsovite-Mn associated with Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
6 photos of Labuntsovite-Mn associated with AnalcimeNa(AlSi2O6) · H2O
5 photos of Labuntsovite-Mn associated with CatapleiiteNa2Zr(Si3O9) · 2H2O
5 photos of Labuntsovite-Mn associated with HilairiteNa2Zr[SiO3]3 · 3H2O

Related Minerals - Strunz-mindat GroupingHide

9.CE.Dutkevichite-(Ce)NaZnBa2Ce2Ti2Si8O26F · H2OOrth. mm2 : Ama2
9.CE.NiobobaotiteBa4(Ti2.5Fe2+1.5)Nb4Si4O28ClTet. 4/m : I41/a
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.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.30cKarupmÞllerite-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. m : Bm
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.30cKuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2OMon. 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

Thermal Behaviour:
Easily fusible before the blowpipe to a bluish enamel.
Notes:
Dissolves with difficulty in HCl, HNO3, or H2SO4.
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 Labuntsovite-MnHide

References for Labuntsovite-MnHide

Reference List:
Labuntsov, A. (1926) Titaniferous elpidite from Mount Chibina, Russian Lapland, and its paragenesis. Comptes rendus de l'Académie des sciences de l'URSS, 39-42.
Foshag, W.F. (1927) New Mineral Names. American Mineralogist, 12(7), 295-296.
Semenov, E.I. and Burova, T.A. (1955) On the new mineral, labuntsovite, and the so-called titanoelpidite. Doklady Akademii Nauk SSSR, 101, 1113-1116 (in Russian).
Fleischer, M. (1956) New mineral names. American Mineralogist, 41, 163-168.
Golovina, N.I., Shilov, G.V., Chukanov, N.V., and Pekov, I.V. (1998) Crystal structure of the manganese-rich analog of labuntsovite. Doklady Akademii Nauk: 362(3): 350–352 (in Russian).
Chukanov, N.V., Pekov, I.V., Rastsvetaeva, R.K., Nekrasov, A.N. (1999) Labuntsovite: solid solutions and features of the crystal structure. The Canadian Mineralogist: 37: 901-910.
Jambor, J.L., Pertsev, N.N., and Roberts, A.C. (1999) New mineral names. American Mineralogist: 84: 1195-1198.
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
Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist, 41, 795-802.
Yakovenchuk, V. N., Ivanyuk, G., Pakhomovsky, Y. & Men'shikov, Y. (2005): Khibiny. Apatity & London (Laplandia Minerals in association with the Mineral. Soc. of GB & Ireland), 468 pp. [p.239]

Localities for Labuntsovite-MnHide

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.
Canada
 
  • QuĂ©bec
    • MontĂ©rĂ©gie
      • La VallĂ©e-du-Richelieu RCM
        • Mont Saint-Hilaire
166-175. +3 other references
      • Lajemmerais RCM
        • Varennes & St-Amable
HorvĂĄth et al. (1998)
HorvĂĄth et al. (1998)
Namibia
 
  • Khomas Region
    • Windhoek Rural
      • Aris
Petersen +2 other references
Norway
 
  • Vestland
    • Askvoll
      • Dalsfjorden
Furnes et al. (1982)
Russia
 
  • Aldan Shield
    • Chara and Tokko Rivers Confluence
[Lapis 1993:4 p.13-20]
  • Murmansk Oblast
    • Khibiny Massif
Pekov et al (2005) +1 other reference
      • Koashva Mt
[World of Stones 95:5-6
      • Kukisvumchorr Mt
[World of Stones 95:5-6
Pekov et al. (2006)
Yakovenchuk et al. (2005)
Arzamastsev et al. (2008) +1 other reference
Mikhailova et al. (2007)
Yakovenchuk et al. (2005)
Yakovenchuk et al. (2005)
Pekov (1998) +1 other reference
    • Kovdorsky District
      • Kovdor Massif
[World of Stones 95:5-6
    • Lovozersky District
Pekov et al. (1999) +1 other reference
      • Kuftnyun Mountain
Pekov (1998)
[AmMin 85:1562] +1 other reference
    • Northern Karelia
 ...
    • Turii Cape
USA
 
  • Arkansas
    • Hot Spring County
      • Magnet Cove
Smith (1989)
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