Strelkinite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Strelkinite
Mikhail Fedorovich Strelkin (1905-1965) - Russian mineralogist
Formula:
Na2(UO2)2(VO4)2 · 6H2O
Colour:
Golden yellow, yellow-green
Lustre:
Silky, Pearly
Hardness:
2 - 2½
Specific Gravity:
3.7 - 3.91
Crystal System:
Orthorhombic
Member of:
Name:
Named after Mikhail Fedorovich Strelkin (Михаил Федорович Стрелкин) (21 November 1905 - 2 November 1965), Russian mineralogist specializing in uranium ores.
Unique Identifiers
Mindat ID:
3800
Long-form identifier:
mindat:1:1:3800:9
GUID
(UUID V4):
(UUID V4):
c836dc79-6b48-41cd-b3d5-0f86a6431252
IMA Classification of Strelkinite
Approved
Approval year:
1973
First published:
1974
Classification of Strelkinite
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
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+
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
21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Slk | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Strelkinite
Silky, Pearly
Transparency:
Translucent
Colour:
Golden yellow, yellow-green
Hardness:
2 - 2½ on Mohs scale
Cleavage:
Perfect
perpendicular to {001}
perpendicular to {001}
Density:
3.7 - 3.91 g/cm3 (Measured) 4.22 g/cm3 (Calculated)
Optical Data of Strelkinite
Type:
Biaxial (-)
RI values:
nα = 1.674 - 1.770 nβ = 1.855 - 1.907 nγ = 1.880 - 1.915
Max Birefringence:
δ = 0.206
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v
Pleochroism:
Weak
Comments:
pale yellow to yellow
Comments:
2V(meas.) = Medium.
Chemistry of Strelkinite
Mindat Formula:
Na2(UO2)2(VO4)2 · 6H2O
Crystallography of Strelkinite
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)
Z:
8
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 Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.18 Å | (40) |
| 7.68 Å | (100) |
| 4.08 Å | (60) |
| 3.95 Å | (80) |
| 3.20 Å | (50) |
| 2.007 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47e : [Vanadates, chromates, manganates] | |
| 47f : [Uranyl (U⁶⁺) minerals] |
Type Occurrence of Strelkinite
Co-Type Localities:
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:
Arid sedimentary regions
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 Strelkinite
Other Language Names for Strelkinite
German:Strelkinit
Spanish:Strelkinita
Relationship of Strelkinite to other Species
Member of:
Other Members of this group:
| Carnotite | K2(UO2)2(VO4)2 · 3H2O | Mon. 2/m : P21/b |
| Margaritasite | (Cs,K,H3O)2(UO2)2(VO4)2 · H2O | Mon. 2/m : P21/b |
| Metatyuyamunite | Ca(UO2)2(VO4)2 · 3H2O | Orth. mmm (2/m 2/m 2/m) |
| Metavanuralite | Al(UO2)2(VO4)2(OH) · 8H2O | Tric. |
| Sengierite | Cu2(UO2)2(VO4)2 · 6H2O | Mon. 2/m : P21/b |
| Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O | Orth. mmm (2/m 2/m 2/m) : Pnna |
| Vanuralite | Al(UO2)2(V2O8)(OH) · 11H2O | Mon. 2/m |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 4.HB.05 | Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| 4.HB.05 | Margaritasite | (Cs,K,H3O)2(UO2)2(VO4)2 · H2O |
| 4.HB.10 | Sengierite | Cu2(UO2)2(VO4)2 · 6H2O |
| 4.HB.15 | Curienite | Pb(UO2)2(VO4)2 · 5H2O |
| 4.HB.15 | Francevillite | Ba(UO2)2(VO4)2 · 5H2O |
| 4.HB.15 | Fritzscheite | Mn(UO2)2(PO4,VO4)2 · 10H2O (?) |
| 4.HB.15 | Finchite | Sr(UO2)2(V2O8) · 5H2O |
| 4.HB.20 | Metavanuralite | Al(UO2)2(VO4)2(OH) · 8H2O |
| 4.HB.20 | Vanuralite | Al(UO2)2(V2O8)(OH) · 11H2O |
| 4.HB.25 | Metatyuyamunite | Ca(UO2)2(VO4)2 · 3H2O |
| 4.HB.25 | Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
| 4.HB.35 | Uvanite | U6+2V5+6O21 · 15H2O (?) |
| 4.HB.40 | Rauvite | Ca(UO2)2(V10O28) · 16H2O |
| 4.HB.45 | Vandermeerscheite | K2[(UO2)2V2O8] · 2H2O |
Fluorescence of Strelkinite
weak dirty green (Tobacco color)
Other Information
Notes:
dissolves in cold dilute acids.
radioactive
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 Strelkinite
mindat.org URL:
https://www.mindat.org/min-3800.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Strelkinite
Reference List:
Localities for Strelkinite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Peter Elliott |
Germany | |
| Noller (2019) |
Jordan | |
| M.N.Murashko specimen |
| Sokol +9 other references |
| Khoury (2014) | |
Kazakhstan | |
| Pekov (1998) |
| Alekseeva et al. (1974) |
| Pekov (1998) |
Kyrgyzstan | |
| |
Middle East | |
| Vapnik et al. (2014) | |
Palestine | |
| Sokol et al. (2011) |
Spain | |
| Joan Abella i Creus (Joanabellacreus@gmail.com) |
USA | |
| Kampf et al. (2019) |
| Bridget E. McCollam (2002) |
| Desor (11/2020) |
Quick NavTopAbout StrelkiniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Lisdan-Siwaga Fault, Hashem region, Daba-Siwaqa complex, Transjordan Plateau, Amman Governorate, Jordan