SEMQuant results. Listed at 1:29:07 AM on 2/3/00
Operator: Christie Rowe
Client: none
Job: Christie's Thesis
Spectrum label: rmb4a-4f.txt

Calibration data:    Energy  Resn.   Area
 Strobe:               -3.7 128.97  753068
 Calib. element:     6921.1 183.94   75855
 Gain factor = 99.991
 Livetime    = 50.0 seconds

Sample data:         Energy  Resn.   Area
 Strobe:               -3.8  44.59   39144
 Total spectrum counts = 137304
 Livetime              = 50.0 seconds

System resolution =  49 eV

Geometry (degrees):
 Tilt        =   0.00

ED geometry (degrees):
 Elevation   =  30.00
 Azimuth     =   0.00
 Entry angle =  30.00

Accelerating voltage = 20.00 kV

Quantitative method: ZAF ( 3 iterations).
 Analysed elements combined with: O ( Valency: -2)
 Method : Stoichiometry
 Nos. of ions calculation based on  23 anions per formula.

 4 peaks possibly omitted: 0.05, 0.25, 0.51, 
 0.74 keV

Standards :
 Na K      Jd_CVG-9 12/30/99
 Mg K      Mg_EnJTC3 12/30/99
 Al K      Ca_AnJTC6 12/29/99
 Si K      Jd_CVG-9 12/30/99
 P  K      P_ApSC3 12/30/99
 K  K      K_OrCVG15 12/30/99
 Ca K      Ca_WoCVG6 12/30/99
 Cr K      Cr_ChrmSC4 12/30/99
 Mn K      Mn_RhoSC16 12/30/99
 Fe K      Fe_FaSC6 12/30/99


Elmt   Spect. Fit   Apparent    Stat.      k Ratio    k Ratio   
        Type  Index   Conc.     Sigma                  Sigma    
Na K     ED     0.6    4.322     0.084     0.38973    0.00762   
Mg K     ED     0.3    3.398     0.066     0.14148    0.00274   
Al K     ED     1.7    4.218     0.072     0.21742    0.00372   
Si K     ED     3.3   26.933     0.144     0.98405    0.00527   
P  K     ED     1.2   -0.013*    0.037    -0.00072*   0.00208   
K  K     ED     0.1   -0.017*    0.041    -0.00140*   0.00329   
Ca K     ED     0.2    0.696     0.047     0.02034    0.00137   
Cr K     ED     0.2   -0.016*    0.051    -0.00040*   0.00124   
Mn K     ED     0.9    0.106*    0.063     0.00316*   0.00187   
Fe K     ED     0.9   11.262     0.187     0.21447    0.00357   
                                                        

Elmt   Spect.  Inten.   Std   Element  Sigma   Atomic           Compound   Nos. of
        Type   Corrn.  Corrn.    %       %       %                 %        ions  
Na K     ED    0.787    1.00    5.49    0.11    5.30   Na2O       7.40      2.02  
Mg K     ED    0.757    1.00    4.49    0.09    4.10   MgO        7.44      1.56  
Al K     ED    0.803    1.00    5.25    0.09    4.32   Al2O3      9.92      1.65  
Si K     ED    1.018    1.00   26.45    0.14   20.88   SiO2      56.57      7.98  
P  K     ED    0.646    1.00   -0.02*   0.06   -0.01*  P2O5      -0.05*    -0.01* 
K  K     ED    1.001    1.00   -0.02*   0.04   -0.01*  K2O       -0.02*     0.00* 
Ca K     ED    0.964    1.00    0.72    0.05    0.40   CaO        1.01      0.15  
Cr K     ED    0.941    1.00   -0.02*   0.05   -0.01*  Cr2O3     -0.03*     0.00* 
Mn K     ED    0.959    1.00    0.11*   0.07    0.04*  MnO        0.14*     0.02* 
Fe K     ED    0.930    1.00   12.11    0.20    4.81   FeO       15.58      1.84  
O                              43.42    0.24   60.19                       23.00  
Total                          97.98          100.00             97.98         
                                                                Cation sum 15.22
* = <2 Sigma

Interpreted formula:
Na2.02 Mg1.56 Al1.65 Ca0.15 Fe1.84 Si7.98 O23
Na2 Mg1.5 Al1.5 Ca.15 Fe1.85 Si8 O22 (OH)2
Glaucophane