Chistyakovaite
A valid IMA mineral species
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About Chistyakovaite
Natalia Ilyinichna Chistyakova (b. 1945)
Formula:
Al(UO2)2(AsO4)2(F,OH) · 6.5H2O
Colour:
Yellow
Hardness:
2½
Specific Gravity:
3.62
Crystal System:
Monoclinic
Name:
Named for Natalia Ilyinichna Chistyakova (Наталия Ильинична Чистякова) (b. 1945), specialist in the field of X-ray spectral analysis, senior assistant at the All-Russia Research Institute of Mineral Resources (VIMS).
Isostructural with:
Unique Identifiers
Mindat ID:
27416
Long-form identifier:
mindat:1:1:27416:0
GUID
(UUID V4):
(UUID V4):
3084a870-1ba3-4e7e-80f4-e0ce34800b2e
IMA Classification of Chistyakovaite
Classification of Chistyakovaite
8.EB.20
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
Dana 7th ed.:
42.11.15.4
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 |
|---|---|---|
| Cak | 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 Chistyakovaite
Transparency:
Transparent
Colour:
Yellow
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
on {100}, imperfect on {001}
on {100}, imperfect on {001}
Fracture:
Step-Like
Density:
3.62 g/cm3 (Measured) 3.585 g/cm3 (Calculated)
Optical Data of Chistyakovaite
Type:
Biaxial (-)
RI values:
nα = 1.557 nβ = 1.580 nγ = 1.580
2V:
Measured: -10° (5), Calculated: -25° to 0°
Max Birefringence:
δ = 0.023
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:
Moderate
Dispersion:
None
Optical Extinction:
X = a ; Z ≈ b.
Chemistry of Chistyakovaite
Mindat Formula:
Al(UO2)2(AsO4)2(F,OH) · 6.5H2O
Crystallography of Chistyakovaite
Crystal System:
Monoclinic
Cell Parameters:
a = 19.99 Å, b = 9.79 Å, c = 19.62 Å
β = 110.7°
β = 110.7°
Ratio:
a:b:c = 2.042 : 1 : 2.004
Unit Cell V:
3,591.80 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Crystals flattened on {100}.
Comment:
P2/m, P2 or Pm.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.34 Å | (100) |
| 9.14 Å | (100) |
| 4.93 Å | (18) |
| 4.87 Å | (20) |
| 4.76 Å | (27) |
| 4.69 Å | (17) |
| 3.55 Å | (15) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47c : [Carbonates, phosphates, borates, nitrates] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47g : [Halogen-bearing surface weathering minerals] |
Type Occurrence of Chistyakovaite
General Appearance of Type Material:
Imperfect, flattened crystals to 2 mm across; sometimes intergrown.
Place of Conservation of Type Material:
E. V. Kopchenova collection of the Mineralogical Museum at VIMS (no. 350/59).
Fersman Mineralogical Museum, Moscow (no. 3286/1).
Fersman Mineralogical Museum, Moscow (no. 3286/1).
Geological Setting of Type Material:
Hydrothermal uranium deposit, consisting of carbonatized felsite porphyries and tuffaceous breccias of Devonian age that underwent primary hydrothermal and subsequent supergene alteration.
Associated Minerals at Type Locality:
Synonyms of Chistyakovaite
Other Language Names for Chistyakovaite
Simplified Chinese:水砷铝铀石
Common Associates
Associated Minerals Based on Photo Data:
| 4 photos of Chistyakovaite associated with Ilsemannite | Mo3O8 · nH2O |
| 3 photos of Chistyakovaite associated with Gypsum | CaSO4 · 2H2O |
| 2 photos of Chistyakovaite associated with Betpakdalite-CaCa | [Ca2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O36(OH)] |
| 1 photo of Chistyakovaite associated with Jordisite | MoS2 |
| 1 photo of Chistyakovaite associated with Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O |
| 1 photo of Chistyakovaite associated with Anglesite | PbSO4 |
Related Minerals - Strunz-mindat Grouping
| 8.EB. | Meta-autunite Group | A1-2(UO2)2(TO4)2 · 5-10H2O |
| 8.EB.05 | Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| 8.EB.05 | Heinrichite | Ba(UO2)2(AsO4)2 · 10H2O |
| 8.EB.05 | Kahlerite | Fe(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Hydronováčekite | Mg(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Saléeite | Mg(UO2)2(PO4)2 · 10H2O |
| 8.EB.05 | Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| 8.EB.05 | Uranocircite | Ba(UO2)2(PO4)2 · 10H2O |
| 8.EB.05 | Uranospinite | Ca(UO2)2(AsO4)2 · 10H2O |
| 8.EB.05 | Xiangjiangite | (Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O |
| 8.EB.05 | Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Metarauchite | Ni(UO2)2(AsO4)2 · 8H2O |
| 8.EB.05 | Nováčekite | Mg(UO2)2(AsO4)2 · 10H2O |
| 8.EB.05 | Rauchite | Ni(UO2)2(AsO4)2 · 10H2O |
| 8.EB.10 | Bassetite | Fe2+(UO2)2(PO4)2 · 10H2O |
| 8.EB.10 | Lehnerite | Mn2+(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Meta-autunite | Ca(UO2)2(PO4)2 · 6H2O |
| 8.EB.10 | Metasaléeite | Mg(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Metauranocircite | Ba(UO2)2(PO4)2 · 7H2O |
| 8.EB.10 | Metauranospinite | Ca(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metaheinrichite | Ba(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metakahlerite | Fe2+(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metakirchheimerite | Co(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metanováčekite | Mg(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Przhevalskite | Pb2(UO2)3(PO4)2(OH)4 · 3H2O |
| 8.EB.10 | Pseudo-autunite | (H3O)4Ca2(UO2)2(PO4)4 · 5H2O |
| 8.EB.10 | Metanatroautunite | Na(UO2)(PO4)(H2O)3 |
| 8.EB.15 | Abernathyite | K(UO2)(AsO4) · 3H2O |
| 8.EB.15 | Chernikovite | (H3O)2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Meta-ankoleite | K2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Natrouranospinite | Na2(UO2)2(AsO4)2 · 5H2O |
| 8.EB.15 | Trögerite | (H3O)(UO2)(AsO4) · 3H2O |
| 8.EB.15 | Uramphite | (NH4)2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Uramarsite | (NH4)(UO2)(AsO4) · 3H2O |
| 8.EB.20 | Threadgoldite | Al(UO2)2(PO4)2(OH) · 8H2O |
| 8.EB.25 | Arsenuranospathite | Al(UO2)2(AsO4)2F · 20H2O |
| 8.EB.25 | Uranospathite | (Al,◻)(UO2)2(PO4)2F · 20(H2O,F) |
| 8.EB.30 | Vochtenite | (Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O |
| 8.EB.35 | Coconinoite | Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O |
| 8.EB.40 | Ranunculite | HAl(UO2)(PO4)(OH)3 · 4H2O |
| 8.EB.45 | Triangulite | Al3(UO2)4(PO4)4(OH)5 · 5H2O |
| 8.EB.50 | Furongite | Al13(UO2)7(PO4)13(OH)14 · 58H2O |
| 8.EB.55 | Sabugalite | HAl(UO2)4(PO4)4 · 16H2O |
| 8.EB.60 | Horákite | (Bi7O7OH)[(UO2)4(PO4)2(AsO4)2(OH)2] · 3.5H2O |
Fluorescence of Chistyakovaite
Bright green when excited at 365 nm ("long-wave" UV).
Other Information
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 Chistyakovaite
mindat.org URL:
https://www.mindat.org/min-27416.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Chistyakovaite
Localities for Chistyakovaite
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.
Czech Republic | |
| Pauliš et al. (2019) +1 other reference |
Germany | |
| Chukanov et al. (2006) |
Kazakhstan (TL) | |
| Chukanov et al. (2006) +1 other reference |
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Bota-Burum U deposit, Alakol District, Jetisu Region, Kazakhstan