Byelorussite-(Ce) Mineral Data

Byelorussite-(Ce) Mineral Data
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General Byelorussite-(Ce) Information

Help on Chemical Formula: Chemical Formula: NaBa2(Ce,La)2Mn++Ti2Si8O26(F,OH)•(H2O)
Help on Composition: Composition: Molecular Weight = 1,405.15 gm
   Barium     19.55 %  Ba   21.82 % BaO
   Sodium      1.64 %  Na    2.21 % Na2O
   Lanthanum   4.94 %  La    5.80 % La2O3
   Cerium     14.96 %  Ce   17.52 % Ce2O3
   Titanium    6.81 %  Ti   11.37 % TiO2
   Manganese   3.91 %  Mn    5.05 % MnO
   Silicon    15.99 %  Si   34.21 % SiO2
   Hydrogen    0.16 %  H     1.44 % H2O
   Oxygen     31.03 %  O
   Fluorine    1.01 %  F     1.01 % F
                -   %   F    -0.43 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaBa2Ce1.5La0.5Mn2+Ti2Si8O26F0.75(OH)0.25·(H2O)
Help on Environment: Environment: In a salband of a quartz vein in lower Proterozoic metasomatized granosyenites.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: In the Zhitkovitschskii district, west of Gomel, Belarus. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the occurrence in Belarus (formerly Byelorussia, USSR), and the "cerium" content.
Help on Name Pronunciation: Name Pronunciation: Byelorussite-(Ce) + Pronunciation Say BYELORUSSITE-(CE)
Help on Synonym: Synonym: IMA2000-D
 

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Byelorussite-(Ce) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0908:1:2.3095
Help on Cell Dimensions: Cell Dimensions: a = 10.57, b = 9.69, c = 22.38, Z = 4; V = 2,292.23 Den(Calc)= 4.07
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.783(1), 3(0.68), 2.95(0.63),
Click Here for Large Byelorussite-(Ce) Structure Window Crystal Structure:

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Zubkova N V , Pushcharovsky D Y , Giester G , Tillmanns E , Pekov I V , Krotova O D , Crystallography Reports , 49 (2004) p.964-968, Crystal structure of byelorussite-(Ce) NaMnBa2Ce2(TiO)2[Si4O12]2(F,OH)*H2O, Locality: Diabazavoe occurence, Zhitkovichi District, Belarus

 

Physical Properties of Byelorussite-(Ce)

Help on Cleavage: Cleavage: {001} Perfect, {100} Indistinct
Help on Color: Color: Yellow, Yellow brown, Light brown, Light yellow.
Help on Density: Density: 3.92
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Byelorussite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1903,KPDmeas= 0.1975,KC= 0.1971
Ncalc = 1.77 - 1.8
Help on Optical Data: Optical Data: Biaxial (+), a=1.743, b=1.76, g=1.82, bire=0.0770, 2V(Calc)=58, 2V(Meas)=58-62.
 

Calculated Properties of Byelorussite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.61 gm/cc
note: Specific Gravity of Byelorussite-(Ce) =3.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEByelorussite-(Ce) = 186.20 barns/electron
U=PEByelorussite-(Ce) x relectron= 671.66 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 19,532.47 (Gamma Ray American Petroleum Institute Units)
Concentration of Byelorussite-(Ce) per GRapi unit = 51.20 (PPM)

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

Estimated Radioactivity from Byelorussite-(Ce) - weak
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Becquerels
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.87 cm 445,760 1.20E-05 19,532.47 6.42
100 gm / 3.65 cm 44,576 1.20E-06 1,953.25 0.64
10 gm / 1.70 cm 4,458 1.20E-07 195.32 0.06
1 gm / 7.87 mm 446 1.20E-08 19.53 0.01
0.1 gm / 3.65 mm 45 1.20E-09 1.95 0.00
0.01 gm / 1.70 mm 4 1.20E-10 0.20 0.00
0.001 gm / 0.79 mm 0 1.20E-11 0.02 0.00

Weight of pure Byelorussite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.92 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 ( 1.00 % Th) From Sum REE Elements (19.90 % REE)
 

Byelorussite-(Ce) Classification
Help on Dana Class: Dana Class: 60.01.01b.04 (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.01b)Joaquinite group (Ortho-joaquinite subgroup)
 
60.01.01b.01 Orthojoaquinite-(Ce) NaFeBa2Ce2Ti2[Si4O12]2O2(OH)•(H2O) Ccmm or Ccm21 Ortho
 
60.01.01b.02 Strontio-orthojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) Pbcm or Pbc2 Ortho
 
60.01.01b.03 Bario-orthojoaquinite Fe2(Ba,Sr)4Ti2[Si4O12]O2•(H2O) Ccmm or Ccm2 Ortho
 
60.01.01b.04 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)•(H2O) P 212121 2 2 2
 
60.01.01b.05 Orthojoaquinite-(La)! Ba2Na(La,Ce)2FeTi2Si8O26(OH,O,F)•H2O Ccmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 09.CE.25 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
 
09.CE.25 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)•(H2O) P 212121 2 2 2
 
09.CE.25 Bario-orthojoaquinite Fe2(Ba,Sr)4Ti2[Si4O12]O2•(H2O) Ccmm or Ccm2 Ortho
 
09.CE.25 Joaquinite-(Ce) NaFeBa2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F)•(H2O) C 2 2
 
09.CE.25 Orthojoaquinite-(Ce) NaFeBa2Ce2Ti2[Si4O12]2O2(OH)•(H2O) Ccmm or Ccm21 Ortho
 
09.CE.25 Strontio-orthojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) Pbcm or Pbc2 Ortho
 
09.CE.25 Strontiojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) C 2 2
 
09.CE.25 Orthojoaquinite-(La)! Ba2Na(La,Ce)2FeTi2Si8O26(OH,O,F)•H2O Ccmm 2/m 2/m 2/m
 

Other Byelorussite-(Ce) Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.76,p665,1990) OPTIC PROP.(Am.Min.,Vol.76,p665,1990)
Help on See Also: See Also: Links to other databases for Byelorussite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Byelorussite-(Ce)

NaBa2(Ce,La)2Mn++Ti2Si8O26(F,OH)•(H2O)
Dana No: 60.01.01b.04 Strunz No: 09.CE.25
Locality:

 

Notes: