Strelkinite (original) (raw)

A valid IMA mineral species

About StrelkiniteHide

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Formula:

Na2(UO2)2(VO4)2 · 6H2O

Colour:

Golden yellow, yellow-green

Specific Gravity:

3.7 - 3.91

Crystal System:

Orthorhombic

Name:

Named after Mikhail Fedorovich Strelkin (Михаил Федорович Стрелкин) (21 November 1905 - 2 November 1965), Russian mineralogist specializing in uranium ores.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3800:9

c836dc79-6b48-41cd-b3d5-0f86a6431252

IMA Classification of StrelkiniteHide

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Type description reference:

Alekseyeva, M. A., Chernikov, A. A., Shashkin, D. P., Kon'kova, Y. A., & Gavrilova, I. V. (1975). Strelkinite, a new uranyl vanadate. International Geology Review, 17(7), 813-816.

Classification of StrelkiniteHide

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4.HB.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
B : Uranyl Sorovanodates

40.2a.29.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+

21.4.3

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

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 StrelkiniteHide

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Colour:

Golden yellow, yellow-green

Cleavage:

Perfect
perpendicular to {001}

Density:

3.7 - 3.91 g/cm3 (Measured) 4.22 g/cm3 (Calculated)

Optical Data of StrelkiniteHide

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RI values:

_n_α = 1.674 - 1.770 _n_β = 1.855 - 1.907 _n_γ = 1.880 - 1.915

δ = 0.206

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

pale yellow to yellow

Comments:

2V(meas.) = Medium.

Chemistry of StrelkiniteHide

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Mindat Formula:

Na2(UO2)2(VO4)2 · 6H2O

Crystallography of StrelkiniteHide

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Crystal System:

Orthorhombic

Cell Parameters:

a = 10.64(2) Å, b = 8.36(2) Å, c = 32.72(2) Å

Ratio:

a:b:c = 1.273 : 1 : 3.914

Unit Cell V:

2,910.46 ų (Calculated from Unit Cell)

Morphology:

powdery, flat plates to 1.5mm

Comment:

Point Group: 2/m 2/m 2/m or mm2.; Space Group: P nmm or P nm2.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of StrelkiniteHide

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General Appearance of Type Material:

Powdery crusts along fractures in country rock. Crystals are plates of nearly isometric form, not exceeding 1.5 mm in length.

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Russian Academy of Science, Moscow, Russia.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Alekseyeva, M. A., Chernikov, A. A., Shashkin, D. P., Kon'kova, Y. A., & Gavrilova, I.V. (1975) Strelkinite, a new uranyl vanadate. International Geology Review: 17(7): 813-816.

Synonyms of StrelkiniteHide

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Other Language Names for StrelkiniteHide

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Relationship of Strelkinite 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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Fluorescence of StrelkiniteHide

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weak dirty green (Tobacco color)

Other InformationHide

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Notes:

dissolves in cold dilute acids.
radioactive

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 StrelkiniteHide

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References for StrelkiniteHide

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Reference List:

Alekseeva, M.A., Chernikov, A.A., Shashkin, D.P., Kon´kova, E.A., Gavrilova, I.N. (1974) Strelkinite, a new uranyl vanadate. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 103(5): 576-580.

Alekseyeva, M. A., Chernikov, A. A., Shashkin, D. P., Kon'kova, Y. A., & Gavrilova, I. V. (1975). Strelkinite, a new uranyl vanadate. International Geology Review, 17(7), 813-816.

Alekseyeva, M. A., Chernikov, A. A., Shashkin, D. P., Kon'kova, Y. A., & Gavrilova, I. V. (1975). Strelkinite, a new uranyl vanadate. International Geology Review, 17(7), 813-816.

Suleimanov, E.V., Somov, N.V., Chuprunov, E.V., Mayatskikh, E.F., Depmeier, W., Alekseev, E.V. (2012) A Detailed Study of the Dehydration Process in Synthetic Strelkinite, Na[(UO2)(VO4)]·nH2O (n = 0,1,2). Zeitschrift für Kristallographie - Crystalline Materials: 227: 522-529.

Localities for StrelkiniteHide

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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.