Kupletskite-(Cs) (original) (raw)

A valid IMA mineral species

About Kupletskite-(Cs)Hide

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Formula:

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

Name:

Originally named cesium kupletskite in allusion to its composition, being the caesium-dominant analogue of kupletskite. Renamed to kupletskite-(Cs).

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:6853:2

cd00da61-01c7-46fe-949d-76f0b66e08ff

IMA Classification of Kupletskite-(Cs)Hide

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IMA status notes:

Renamed by the IMA

Approval history:

Renamed IMA04-A: From cesium kupletskite to kupletskite-(Cs), Bayliss (2007).

Type description reference:

Efimov, A.F., Dusmatov, V.D., Ganzeev, A.A., Kataeva, Z.T. (1971) Cesium kupletskite, a new mineral. Doklady Acad. Nauk SSSR, 197, 1394{1397 (in Russian).

Classification of Kupletskite-(Cs)Hide

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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

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

Physical Properties of Kupletskite-(Cs)Hide

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Hardness:

VHN100=186 - Vickers

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

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Optical Extinction:

Z = a; Y ∧ b ≃ 10°.

Comments:

X = yellow-green; Y = yellow to brown; Z = brown.

Chemistry of Kupletskite-(Cs)Hide

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Mindat Formula:

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

Crystallography of Kupletskite-(Cs)Hide

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Class (H-M):

1 - Pinacoidal

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)

Comment:

Space groups and cell parameters from Cámara et al. (2010).

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Dara-i-Pioz Massif, Tajikistan. The data are from the type description.

Geological EnvironmentHide

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Type Occurrence of Kupletskite-(Cs)Hide

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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

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Other Language Names for Kupletskite-(Cs)Hide

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Relationship of Kupletskite-(Cs) to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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

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References for Kupletskite-(Cs)Hide

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Reference List:

Efimov, A.F., Dusmatov, V.D., Ganzeev, A.A., Kataeva, Z.T. (1971) Cesium kupletskite, a new mineral. Doklady Acad. Nauk SSSR, 197, 1394{1397 (in Russian).

Localities for Kupletskite-(Cs)Hide

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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

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- 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.