Georgbarsanovite Mineral Data

General Georgbarsanovite Information

Help on Chemical  Formula: Chemical Formula: Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O
Help on Composition: Composition: Molecular Weight = 3,278.42 gm
   Sodium            8.41 %  Na   11.34 % Na2O
   Strontium         2.41 %  Sr    2.84 % SrO
   Calcium           7.33 %  Ca   10.26 % CaO
   La,Ce,Pr,Nd,Sm,   1.32 %  RE    1.54 % REE2O3
   Zirconium         8.35 %  Zr   11.28 % ZrO2
   Manganese         3.02 %  Mn    3.89 % MnO
   Niobium           2.83 %  Nb    4.05 % Nb2O5
   Iron              5.11 %  Fe    6.57 % FeO
   Silicon          21.42 %  Si   45.82 % SiO2
   Hydrogen          0.06 %  H     0.55 % H2O
   Chlorine          2.16 %  Cl    2.16 % Cl
                      -   %   Cl   -0.49 % -O=Cl2
   Oxygen           37.58 %  O
                   ______        ______ 
                   100.00 %       99.83 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na12Mn2+1.8Sr0.9REE0.3Ca6Fe2+3Zr3NbSi25O76Cl2·(H2O)
Help on IMA Status: IMA Status: Proposed IMA 2003 (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals and Mineral Names (CNMMN)
Help on Synonym: Synonym: Barsanovite - Discredited 1969
  IMA2003-013
 

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Georgbarsanovite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.09991
Help on Cell Dimensions: Cell Dimensions: a = 14.262, c = 29.949, Z = 4; V = 5,275.63 Den(Calc)= 4.13
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.202(1), 2.975(0.98), 2.857(0.84),3.155(0.71), 4.3(0.62), 2.591(0.54), 6.42(0.54),
 

Physical Properties of Georgbarsanovite

Help on Color: Color: Yellowish green.
Help on Diaphaniety: Diaphaniety: Translucent to transparent
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Georgbarsanovite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.261 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1538,KC= 0.2079
Help on Optical Data: Optical Data: Uniaxial (-), e=1.631, w=1.639, bire=0.0080.
 

Calculated Properties of Georgbarsanovite

Help on Electron Density: Electron Density:

relectron=4.01 gm/cc
note: rGeorgbarsanovite =4.13 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.02486
Boson Index = 0.97514
Help on Photoelectric: Photoelectric:

PEGeorgbarsanovite = 29.84 barns/electron
U=PEGeorgbarsanovite x relectron= 119.56 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 1,368.65 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Georgbarsanovite - mild
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 / 7.73 cm 29,622 8.01E-07 1,368.65 0.45
100 gm / 3.59 cm 2,962 8.01E-08 136.87 0.04
10 gm / 1.67 cm 296 8.01E-09 13.69 0.00
1 gm / 7.73 mm 30 8.01E-10 1.37 0.00
0.1 gm / 3.59 mm 3 8.01E-11 0.14 0.00
0.01 gm / 1.67 mm 0 8.01E-12 0.01 0.00
0.001 gm / 0.77 mm 0 8.01E-13 0.00 0.00

Weight of pure Georgbarsanovite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.13 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 ( 0.07 % Th) From Sum REE Elements ( 1.32 % REE)
 

Georgbarsanovite Classification

Help on  Dana Class: Dana Class: 64.1.1.17 (64)Cyclosilicate Rings with Other Anions and Insular Silicate Groups
  (64.1)with mixed ring types
  (64.1.1)Eudialyte Group
 
64.1.1.1 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m
 
64.1.1.2 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O) R 3m 3 2/m
 
64.1.1.3 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2·2(H2O) R 3m 3m
 
64.1.1.4 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
 
64.1.1.5 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m
 
64.1.1.6 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3
 
64.1.1.7 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m
 
64.1.1.8 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl·2-3H2O R 3m 3m
 
64.1.1.9 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m
 
64.1.1.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m
 
64.1.1.11 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m
 
64.1.1.12 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m
 
64.1.1.13 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O R 3m 3m
 
64.1.1.14 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m
 
64.1.1.15 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m
 
64.1.1.16 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m
 
64.1.1.17 Georgbarsanovite ! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2·H2O R 3m 3m
 
64.1.1.18 IMA2004-026! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(OH)3(CO3)·H2O R 3m 3m
 
64.1.1.19 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m
Help on  Strunz Class: Strunz Class: VIII/EX.00-00 VIII - Silicates
  VIII/EX - Unclassified Strunz Cyklosilicates
  VIII/EX.00 - Eudialyte Group
 

Other Georgbarsanovite Information

Help on See Also: See Also: Links to other databases for Georgbarsanovite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Print or Cut-and-Paste your Georgbarsanovite Specimen Label here :

Georgbarsanovite

Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O
Dana No: 64.1.1.17 Strunz No: VIII/EX.00-00
Locality:

 

Notes:

 

 
   
 
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