Kukharenkoite-(Ce) Mineral Data + Say KUKHARENKOITE-(CE)


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General Kukharenkoite-(Ce) Information
Help on Chemical Formula: Chemical Formula: Ba2Ce(CO3)3F
Help on Composition: Composition: Molecular Weight = 613.80 gm
   Barium    44.75 %  Ba   49.96 % BaO
   Cerium    22.83 %  Ce   26.74 % Ce2O3
   Carbon     5.87 %  C    21.51 % CO2
   Oxygen    23.46 %  O
   Fluorine   3.10 %  F     3.10 % F
               -   %  F    -1.30 % -O=F2
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba2Ce(CO3)3F
Help on Environment: Environment: Alkaline igneous rocks.
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: Khibina alkaline massif, Kola peninsula, Russia; Vuorijarvi alkaline massif, Kola peninsula, Russia; Mont Saint-Hilare alkaline complex, Rouville County, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Prof. Alexander A. Kukharenko (1914-1993), Department of Mineralogy, St. Petersburg University, St. Petersburg, Russia.
Help on Synonym: Synonym: ICSD 85572
  IMA1995-040
  PDF 81-1079
 

Kukharenkoite-(Ce) Image

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Kukharenkoite-(Ce)

Comments: White-tan crystals of kukharenkoite-(Ce).
Location: Kirovskii (Kirovsky) apatite mine, Mt Kukisvumchorr, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kukharenkoite-(Ce) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.6431:1:1.3223
Help on Cell Dimensions: Cell Dimensions: a = 13.406, b = 5.072, c = 6.707, Z = 2; beta = 106.566° V = 437.11 Den(Calc)= 4.66
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.269(1), 2.003(0.4), 2.14(0.4),
Click Here for Large Kukharenkoite-(Ce) Structure Window Crystal Structure:

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Krivovichev S V , Filatov S K , Zaitsev A N , The Canadian Mineralogist , 36 (1998) p.809-815, The crystal structure of kukharenkoite-(Ce), Ba2REE(CO3)3F,and an interpretation, based on cation-coordinated F tetrahedra

 

Physical Properties of Kukharenkoite-(Ce)

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Reddish brown, Colorless, White, Pinkish gray.
Help on Density: Density: 4.61 - 4.7, Average = 4.65
Help on Diaphaniety: Diaphaniety: Transparent to translucent to opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Dendritic - Branching "tree-like" growths of great complexity (e.g. pyrolusite).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Kukharenkoite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.145,KPDmeas= 0.1452,KC= 0.1493
Help on Optical Data: Optical Data: Biaxial (-), a=1.584-1.594, b=1.71-1.724, g=1.715-1.728, bire=0.1310-0.1340, 2V(Calc)=18-20, 2V(Meas)=16. Dispersion r > v moderate.
 

Calculated Properties of Kukharenkoite-(Ce)

Help on Electron Density: Electron Density:

relectron=4.08 gm/cc
note: rKukharenkoite-(Ce) =4.66 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.0805
Boson Index = 0.9195
Help on Photoelectric: Photoelectric:

PEKukharenkoite-(Ce) = 324.96 barns/electron
U=PEKukharenkoite-(Ce) x relectron=1,325.88 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 21,342.66 (Gamma Ray American Petroleum Institute Units)

Kukharenkoite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Kukharenkoite-(Ce) - weak
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Bequerols
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.43 cm 511,339 1.38E-05 21,342.66 7.02
100 gm / 3.45 cm 51,134 1.38E-06 2,134.27 0.70
10 gm / 1.60 cm 5,113 1.38E-07 213.43 0.07
1 gm / 7.43 mm 511 1.38E-08 21.34 0.01
0.1 gm / 3.45 mm 51 1.38E-09 2.13 0.00
0.01 gm / 1.60 mm 5 1.38E-10 0.21 0.00
0.001 gm / 0.74 mm 1 1.38E-11 0.02 0.00

Weight of pure Kukharenkoite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.66 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 1.14 % Th) From Sum REE Elements (22.83 % REE)
 

Kukharenkoite-(Ce) Classification
Help on Dana Class: Dana Class: 16a.1.8.2 (16a)Carbonates - Hydroxyl or Halogen
  (16a.1)in the Bastnasite/Shynchysite/Parasite Groups
  (16a.1.8)Dana Group
 
16a.1.8.1 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
16a.1.8.2 Kukharenkoite-(Ce) ! Ba2Ce(CO3)3F P 21/m 2/m
 
16a.1.8.3 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
Help on Strunz Class: Strunz Class: V/C.07-155 V - Nitrates, Carbonates and Borates
  V/C - Waterfree carbonates with unfamiliar anions
  V/C.07 - Bastnäsite-(Y) - Mineevite-(Y) series
 
V/C.07-10 Bastnasite-(Y) Y(CO3)F P 62c 6 m2
 
V/C.07-20 Bastnasite-(La) La(CO3)F P 62c 6 m2
 
V/C.07-30 Bastnasite-(Ce) Ce(CO3)F P 62c 6 m2
 
V/C.07-40 Hydroxylbastnasite-(La) La(CO3)(OH) C 2221 2 2 2
 
V/C.07-50 Hydroxylbastnasite-(Ce) Ce(CO3)(OH) P 62c 6 m2
 
V/C.07-60 Hydroxylbastnasite-(Nd) Nd(CO3)(OH) P 62c 6 m2
 
V/C.07-61 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-62 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-64 Horvathite-(Y)! NaY(CO3)F2 Pmcn 2/m 2/m 2/m
 
V/C.07-70 Parisite-(Ce) Ca(Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-80 Parisite-(Nd) Ca(Nd,Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-90 Rontgenite-(Ce) Ca2(Ce,La)3(CO3)5F3 R 3 3
 
V/C.07-100 Synchysite-(Y) CaY(CO3)2F C 2/c 2/m
 
V/C.07-110 Synchysite-(Ce) CaCe(CO3)2F C 2/c 2/m
 
V/C.07-120 Synchysite-(Nd) CaNd(CO3)2F Unk Ortho
 
V/C.07-130 Huanghoite-(Ce) BaCe(CO3)2F R 3m 3 2/m
 
V/C.07-140 Cebaite-(Ce) Ba3Ce2(CO3)5F2 C 2/m or C 2 Mono
 
V/C.07-150 Cebaite-(Nd)! Ba3(Nd,Ce)2(CO3)5F2 Unk Mono
 
V/C.07-154 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
 
V/C.07-155 Kukharenkoite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-160 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-170 Cordylite-(Ce) Ba(Ce,La)2(CO3)3F2 P 63/mmc 6/m 2/m 2/m
 
V/C.07-175 Lukechangite-(Ce)! Na3Ce2(CO3)4F P 63/mmc 6/m 2/m 2/m
 
V/C.07-190 Mineevite-(Y) Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2 P 63/m 6/m
 
V/C.07-200 Reederite-(Y)! Na15Y2(CO3)9(SO3F)Cl P 6 6
 
V/C.07-210 Micheelsenite! (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6·12(H2O) P 63 6
 

Other Kukharenkoite-(Ce) Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.8,1996) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Kukharenkoite-(Ce) :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST

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Kukharenkoite-(Ce)

Ba2Ce(CO3)3F
Dana No: 16a.1.8.2 Strunz No: V/C.07-155
Locality:

 

Notes:

 
 
   
 
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