Byelorussite-(Ce) Mineral Data + Say BYELORUSSITE-(CE)


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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 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),
 

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 Diaphaniety: Diaphaniety: 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
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:

relectron=3.61 gm/cc
note: rByelorussite-(Ce) =3.92 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.0513
Boson Index = 0.9487
Help on Photoelectric: Photoelectric:

PEByelorussite-(Ce) = 186.20 barns/electron
U=PEByelorussite-(Ce) x relectron= 671.66 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 19,532.46 (Gamma Ray American Petroleum Institute Units)

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
Bequerols
(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 19,532.46 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: 60.1.1b.4 (60)Cyclosilicate Four-Membered Rings
  (60.1)as Titanosilicates
  (60.1.1b)Joaquinite group (Ortho-joaquinite subgroup)
 
60.1.1b.1 Orthojoaquinite-(Ce) NaFeBa2Ce2Ti2[Si4O12]2O2(OH)·(H2O) Ccmm or Ccm21 Ortho
 
60.1.1b.2 Strontio-orthojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2·(H2O) Pbcm or Pbc2 Ortho
 
60.1.1b.3 Bario-orthojoaquinite Fe2(Ba,Sr)4Ti2[Si4O12]O2·(H2O) Ccmm or Ccm2 Ortho
 
60.1.1b.4 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)·(H2O) P 212121 2 2 2
 
60.1.1b.5 Orthojoaquinite-(La)! Ba2Na(La,Ce)2FeTi2Si8O26(OH,O,F)·H2O Ccmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: VII/E.08-85 VII - Phosphates, Arsenates and Vanadates
  VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-
  VII/E.08 - Parsonsite - Byelorussite-(Ce) series
 
VII/E.08-10 Parsonsite Pb2(UO2)(PO4)2·2(H2O) P1 1
 
VII/E.08-20 Hallimondite Pb2(UO2)(AsO4)2 P1 1
 
VII/E.08-85 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)·(H2O) P 212121 2 2 2
 

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas

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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: 60.1.1b.4 Strunz No: VII/E.08-85
Locality:

 

Notes:

 

 
   
 
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