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Chukhrovite-(Ce)

A valid IMA mineral species
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03907570017086391226448.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
08050890014952609597743.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
03470780014946601231388.jpg
Chukhrovite-(Ce)

Valvassera mine, Valganna, Varese Province, Lombardy, Italy
06721140015892395284048.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
03733600014947261885000.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
01979530014952609602500.jpg
Chukhrovite-(Ce)

Valvassera mine, Valganna, Varese Province, Lombardy, Italy
01993470017056634922743.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
08050890014952609597743.jpg
Chukhrovite-(Ce)

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
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About Chukhrovite-(Ce)Hide

08231570014948199477113.jpg
Russian mineralogist and geochemist Fedor Vasil’evich Chukhrov.
Formula:
Ca3(Ce,Y)(AlF6)2(SO4)F · 10H2O
Colour:
white, with a lilac tint
Lustre:
Vitreous, Greasy, Pearly
Hardness:
3
Specific Gravity:
2.274 - 2.398
Crystal System:
Isometric
Name:
Named in 1978 by Kurt Walenta for its relationship to chukhrovite-(Y) (at the time, simply chukhrovite). The root name is for Fedor Vassil’evich Chukhrov (1908-1988), Russian mineralogist and geochemist, and the modifier follows the Levinson rule for species with essential REE.
Note: The type material has Y>Ce and is a Ce-rich chukhrovite-(Y).
For discussion see https://www.mindat.org/mesg-577618.html


Unique IdentifiersHide

Mindat ID:
1044
Long-form identifier:
mindat:1:1:1044:9
GUID
(UUID V4):
5baf2775-9373-45a7-b718-d6c8b29c485c

IMA Classification of Chukhrovite-(Ce)Hide

Classification of Chukhrovite-(Ce)Hide

Strunz-mindat (2024):
3.CG.10

3 : HALIDES
C : Complex halides
G : Aluminofluorides with CO3, SO4, PO4
Dana 8th ed.:
12.1.5.2

12 : COMPOUND HALIDES
1 : Miscellaneous
Hey's CIM Ref.:
26.21

26 : Sulphates with Halide

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
Chk-CeIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
ChkThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of Chukhrovite-(Ce)Hide

Lustre:
Vitreous, Greasy, Pearly
Transparency:
Transparent
Comment:
pearly when white, greasy on fractures
Colour:
white, with a lilac tint
Streak:
white
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
octahedral
Density:
2.274 - 2.398 g/cm3 (Measured)    

Optical Data of Chukhrovite-(Ce)Hide

Type:
Isotropic
RI values:
n = 1.443(2)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Moderate
Comments:
Anonymously birefringent

Chemistry of Chukhrovite-(Ce)Hide

Mindat Formula:
Ca3(Ce,Y)(AlF6)2(SO4)F · 10H2O
Elements listed:
Al, Ca, Ce, F, H, O, S, Y - search for minerals with similar chemistry

Crystallography of Chukhrovite-(Ce)Hide

Crystal System:
Isometric
Cell Parameters:
a = 16.80(5) Å
Unit Cell V:
4,741.63 ų (Calculated from Unit Cell)
Z:
8
Comment:
Point Group n.d.; Space Group n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.193 Å(10)
1.834 Å(10)
3.261 Å(9)
2.s72 Å(8)
2843 Å(8)
1.684 Å(8)
1.512 Å(S)
1.460 Å(8)
1.417 Å(8)
1.279 Å(8)
4.256 Å(7)
2.664 Å(7)
1.616 Å(7)

Geological EnvironmentHide

Type Occurrence of Chukhrovite-(Ce)Hide

Type Locality:
ⓘ Yaroslavskoye Sn/fluorite Deposit, Voznesenskii ore district, Khorolsky District, Primorsky Krai, Russia
Place of Conservation of Type Material:
Type locality and material uncertain. See https://www.mindat.org/mesg-577618.html
Reference:
Ermilova, L. P., Moleva, V. A. & Klevtsova, R. F. (1960): Chukhrovite, a new mineral from Central Kazakhstan. Zapiski Vserossiiskogo Mineralogicheskogo Obshchestva 89, 15-25. (in Russian)

Synonyms of Chukhrovite-(Ce)Hide

Chukhrovite (in part)

Other Language Names for Chukhrovite-(Ce)Hide

Relationship of Chukhrovite-(Ce) to other SpeciesHide

Member of:
Chukhrovite Group
Other Members of this group:
Chukhrovite-(Ca)Ca4.5Al2(SO4)F13 · 12H2OIso. m3 (2/m 3) : Fd3
Chukhrovite-(Nd)Ca3(Nd,Y)Al2(SO4)F13 · 12H2OIso. m3 (2/m 3) : Fd3
Chukhrovite-(Y)Ca3(Y,Ce)(AlF6)2(SO4)F · 10H2OIso. m3 (2/m 3) : Fd3
MeniayloviteCa4[(SO4)(SiF6)(AlF6)]F · 12H2OIso. m3 (2/m 3) : Fd3

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Chukhrovite-(Ce) associated with BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2O
1 photo of Chukhrovite-(Ce) associated with JarositeKFe3+3(SO4)2(OH)6
1 photo of Chukhrovite-(Ce) associated with GearksutiteCa[Al(F,OH)5(H2O)]

Related Minerals - Strunz-mindat GroupingHide

3.CG.3.CG.Chukhrovite-(Ca)Ca4.5Al2(SO4)F13 · 12H2OIso. m3 (2/m 3) : Fd3
3.CG.05Stenonite(Sr,Ba,Na)2Al(CO3)F5Mon. 2/m
3.CG.10Chukhrovite-(Y)Ca3(Y,Ce)(AlF6)2(SO4)F · 10H2OIso. m3 (2/m 3) : Fd3
3.CG.10MeniayloviteCa4[(SO4)(SiF6)(AlF6)]F · 12H2OIso. m3 (2/m 3) : Fd3
3.CG.10Chukhrovite-(Nd)Ca3(Nd,Y)Al2(SO4)F13 · 12H2OIso. m3 (2/m 3) : Fd3
3.CG.15CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
3.CG.20BøggilditeNa2Sr2Al2PO4F9Mon. 2/m : P21/b
3.CG.25Thermessaite-(NH4)(NH4)2AlF3(SO4)Orth. mmm (2/m 2/m 2/m) : Pbcn
3.CG.25ThermessaiteK2AlF3(SO4)Orth. mmm (2/m 2/m 2/m) : Pbcn
3.CG.30KruijeniteCa4Al4(SO4)F2(OH)16 · 2H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nnc

Other InformationHide

Notes:
Readily dissolved by HCl and H2SO4
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 Chukhrovite-(Ce)Hide

References for Chukhrovite-(Ce)Hide

Localities for Chukhrovite-(Ce)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.
Austria
 
  • Salzburg
    • Zell am See District
      • Rauris
        • Grieswies - Krumlkeeskopf area
          • Grieswies
Kolitsch et al. (2008)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
Walenta (1979) +1 other reference
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
Möhn
Italy
 
  • Lombardy
    • Varese Province
      • Valganna
Gentile et al. (2012)
Russia (TL)
 
  • Primorsky Krai
    • Khorolsky District
      • Voznesenskii ore district
ZVMO (1973) +1 other reference
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