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Kupletskite-(Cs)

A valid IMA mineral species
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About Kupletskite-(Cs)Hide

Formula:
Cs2NaMn2+7Ti2(Si4O12)2O2(OH)4F
Colour:
Golden brown
Lustre:
Dull
Hardness:
4
Specific Gravity:
3.68
Crystal System:
Triclinic
Name:
Originally named cesium kupletskite in allusion to its composition, being the caesium-dominant analogue of kupletskite. Renamed to kupletskite-(Cs).

Unique IdentifiersHide

Mindat ID:
6853
Long-form identifier:
mindat:1:1:6853:2
GUID
(UUID V4):
cd00da61-01c7-46fe-949d-76f0b66e08ff

IMA Classification of Kupletskite-(Cs)Hide

Approved
IMA status notes:
Renamed by the IMA
First published:
1971
Approval history:
Renamed IMA04-A: From cesium kupletskite to kupletskite-(Cs), Bayliss (2007).

Classification of Kupletskite-(Cs)Hide

9.DC.05

9 : SILICATES (Germanates)
D : Inosilicates
C : Inosilicates with branched 2-periodic single chains; Si2O6 + 2SiO3 Si4O12
69.1.1.3

69 : INOSILICATES Chains with Side Branches or Loops
1 : Chains with Side Branches or Loops with (P=2, and N=4, 2 branches)

Mineral SymbolsHide

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

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

Physical Properties of Kupletskite-(Cs)Hide

Transparency:
Translucent
Colour:
Golden brown
Hardness:
Hardness:
VHN100=186 - Vickers
Cleavage:
Perfect
{001}
Density:
3.68 g/cm3 (Measured)    3.609 g/cm3 (Calculated)
Comment:
Dcalc from from Cámara et al. (2010).

Optical Data of Kupletskite-(Cs)Hide

Type:
Biaxial (+)
Dispersion:
r < v
Optical Extinction:
Z = a; Y ∧ b ≃ 10°.
Pleochroism:
Visible
Comments:
X = yellow-green; Y = yellow to brown; Z = brown.

Chemistry of Kupletskite-(Cs)Hide

Mindat Formula:
Cs2NaMn2+7Ti2(Si4O12)2O2(OH)4F

Crystallography of Kupletskite-(Cs)Hide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.3850(3) Å, b = 11.9350(5) Å, c = 11.7793(6) Å
α = 113.117(1)°, β = 94.614(1)°, γ = 94.578(2)°
Ratio:
a:b:c = 0.451 : 1 : 0.987
Unit Cell V:
688.87 ų (Calculated from Unit Cell)
Z:
1
Comment:
Space groups and cell parameters from Cámara et al. (2010).

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006310Kupletskite-(Cs)Camara F, Sokolova E, Abdu Y, Hawthorne F C (2010) The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals The Canadian Mineralogist 48 1-162010Dara-i-Pioz glacier, Tien-Shan mountains, northern Tajikistan0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.4 Å(100)
3.54 Å(80)
2.79 Å(80)
2.66 Å(80)
2.58 Å(60)
1.772 Å(40)
4.09 Å(30)
Comments:
Dara-i-Pioz Massif, Tajikistan. The data are from the type description.

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 Kupletskite-(Cs)Hide

General Appearance of Type Material:
Rosettelike intergrowths of curved platy crystals, forming aggregates, to 3 cm.
Place of Conservation of Type Material:
Mineralogical Museum, St. Petersburg University, St. Petersburg, 16537; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 74170.
Geological Setting of Type Material:
At the border of aegirine-microcline-quartz pegmatites and in polylithionite-quartz replacement complexes in pegmatites of an alkaline massif.
Associated Minerals at Type Locality:
Reference:
Efimov, A.F., V.D. Dusmatov, A.A. Ganzeev, and Z.T. Kataeva (1971) Cesium kupletskite, a new mineral. Doklady Acad. Nauk SSSR, 197, 1394{1397 (in Russian)

Synonyms of Kupletskite-(Cs)Hide

Other Language Names for Kupletskite-(Cs)Hide

Simplified Chinese:铯锰星叶石
Traditional Chinese:銫錳星葉石

Relationship of Kupletskite-(Cs) to other SpeciesHide

Other Members of this group:
Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
Laverovite K2NaMn7Zr2(Si4O12)2O2(OH)4FTric. 1 : P1
NiobokupletskiteK2NaMn2+7(Nb,Ti)(Si4O12)2O2(OH)4(O,F)Tric. 1 : P1
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Kupletskite-(Cs) associated with QuartzSiO2
2 photos of Kupletskite-(Cs) associated with AegirineNaFe3+Si2O6
2 photos of Kupletskite-(Cs) associated with LeucospheniteBaNa4Ti2B2Si10O30
2 photos of Kupletskite-(Cs) associated with MicroclineK(AlSi3O8)
1 photo of Kupletskite-(Cs) associated with GenthelviteBe3Zn4(SiO4)3S
1 photo of Kupletskite-(Cs) associated with DusmatoviteK(K◻)Mn2+2Zn3[Si12O30]
1 photo of Kupletskite-(Cs) associated with Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
1 photo of Kupletskite-(Cs) associated with Manganese Oxides
1 photo of Kupletskite-(Cs) associated with MaleeviteBaB2Si2O8
1 photo of Kupletskite-(Cs) associated with Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6

Related Minerals - Strunz-mindat GroupingHide

9.DC.BulgakiteLi2(Ca,Na)Fe2+7Ti2(Si4O12)2O2(OH)4(F,O)(H2O)2Tric. 1 : P1
9.DC.05AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4FTric. 1 : P1
9.DC.05Hydroastrophyllite(H3O,K,Ca)3(Fe,Mn)5-65Ti2Si8(O,OH)31Tric.
9.DC.05Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
9.DC.05LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m
9.DC.05Niobophyllite(K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31Tric.
9.DC.05ZircophylliteK2NaFe2+7Zr2(Si4O12)2O2(OH)4FTric.
9.DC.05NiobokupletskiteK2NaMn2+7(Nb,Ti)(Si4O12)2O2(OH)4(O,F)Tric. 1 : P1
9.DC.05NalivkiniteLi2Na(Fe2+,Mn2+)7Ti2Si8O26(OH)4FTric. 1 : P1
9.DC.05Devitoite[Ba6(PO4)2(CO3)][Fe2+7(OH)4Fe3+2O2(Si4O12)2]Tric. 1 : P1
9.DC.05SveinbergeiteCa(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4Tric. 1 : P1
9.DC.05Tarbagataite(K◻)Ca(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)5 Tric. 1 : P1
9.DC.05HeyerdahliteNa3Mn7Ti2(Si4O12)2O2(OH)4F(H2O)2Tric. 1 : P1
9.DC.05Laverovite K2NaMn7Zr2(Si4O12)2O2(OH)4FTric. 1 : P1

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 Kupletskite-(Cs)Hide

References for Kupletskite-(Cs)Hide

Localities for Kupletskite-(Cs)Hide

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
 
  • Chelyabinsk Oblast
Агаханов А.А. et al. (2015)
Tajikistan (TL)
 
  • Districts of Republican Subordination
Pekov (1998) +2 other references
 
Mineral and/or Locality  
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