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Zhonghuacerite-(Ce) Mineral Data

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General Zhonghuacerite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Ba2Ce(CO3)3F
Help on Composition: Composition: Molecular Weight = 613.84 gm
   Barium     44.74 %  Ba   49.96 % BaO
   Lanthanum   6.79 %  La    7.96 % La2O3
   Cerium     13.70 %  Ce   16.04 % Ce2O3
   Carbon      5.87 %  C    21.51 % CO2
   Neodymium   2.35 %  Nd    2.74 % Nd2O3
   Oxygen     23.46 %  O
   Fluorine    3.09 %  F     3.09 % F
                -   %   F    -1.30 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba2Ce0.6La0.3Nd0.1(CO3)3F
Help on Environment: Environment: Metamorphosed dolomite.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Bayan Obo iron mine, Baotou (Paotow), Inner Mongolia, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in Chinese for "a cerium mineral from China".
Help on Name Pronunciation: Name Pronunciation: Zhonghuacerite-(Ce) + Pronunciation Say ZHONGHUACERITE-(CE)
Help on Synonym: Synonym: ICSD 41288
  PDF 41-1414
 

Zhonghuacerite-(Ce) Image

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  Zhonghuacerite-(Ce)   Huanghoite-(Ce)

Comments: Brown grains of zhonghuacerite-(Ce) in matrix. This type material may be Huanghoite-(Ce).
Location: Bayan Obo iron mine, Baotou, Inner Mongolia, China. Scale: Not Given.
© Diederik Visser

Zhonghuacerite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.6221:1:1.3023
Help on Cell Dimensions: Cell Dimensions: a = 13.365, b = 5.097, c = 6.638, Z = 2; beta = 106.45° V = 433.68 Den(Calc)= 4.70
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.27(1)(310), 4.01(0.78)(111), 3.24(0.42)(202), 2.52(0.37)(112), 3.98(0.36)(201), 2.15(0.32)(221), 2.13(0.29)(512), 2.55(0.22)(020), 2.01(0.2)(421),
 

Physical Properties of Zhonghuacerite-(Ce)

Help on Color: Color: Yellow, Light brown.
Help on Density: Density: 4.2 - 4.4, Average = 4.3
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Zhonghuacerite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.019 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.067 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1394,KPDmeas= 0.1523,KC= 0.1494
Ncalc = 1.63 - 1.7
Help on Optical Data: Optical Data: Uniaxial (-), e=1.565, w=1.745, bire=0.1800.
 

Calculated Properties of Zhonghuacerite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.77 gm/cc
note: Specific Gravity of Zhonghuacerite-(Ce) =4.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PEZhonghuacerite-(Ce) = 324.33 barns/electron
U=PEZhonghuacerite-(Ce) x relectron=1,221.86 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 21,338.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Zhonghuacerite-(Ce) per GRapi unit = 46.86 (PPM)

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

Estimated Radioactivity from Zhonghuacerite-(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 / 7.63 cm 511,479 1.38E-05 21,338.84 7.02
100 gm / 3.54 cm 51,148 1.38E-06 2,133.88 0.70
10 gm / 1.64 cm 5,115 1.38E-07 213.39 0.07
1 gm / 7.63 mm 511 1.38E-08 21.34 0.01
0.1 gm / 3.54 mm 51 1.38E-09 2.13 0.00
0.01 gm / 1.64 mm 5 1.38E-10 0.21 0.00
0.001 gm / 0.76 mm 1 1.38E-11 0.02 0.00

Weight of pure Zhonghuacerite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.30 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)
 

Zhonghuacerite-(Ce) Classification

Help on  Dana Class: Dana Class: 16a.01.08.01 (16a)Carbonates - Hydroxyl or Halogen
  (16a.01)in the Bastnasite/Shynchysite/Parasite Groups
  (16a.01.08)Dana Group
 
16a.01.08.01 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
16a.01.08.02 Kukharenkoite-(Ce)! Ba2Ce(CO3)3F P 21/m 2/m
 
16a.01.08.03 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
Help on  Strunz Class: Strunz Class: 05.BD.10 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BD -With rare-earth elements (REE)
 
05.BD.10 Kukharenkoite-(Ce)! Ba2Ce(CO3)3F P 21/m 2/m
 
05.BD.10 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
05.BD.10 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
 

Other Zhonghuacerite-(Ce) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, MinCryst) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Zhonghuacerite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
12 - WWW-MINCRYST

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Print or Cut-and-Paste your Zhonghuacerite-(Ce) Specimen Label here :

Zhonghuacerite-(Ce)

Ba2Ce(CO3)3F
Dana No: 16a.01.08.01 Strunz No: 05.BD.10
Locality:

 

Notes:

 

 
   
 


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