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JEOL-8600 microprobe database (CU Boulder) | Print date: 08/07/2020 (17:31)

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Standard - Information

In use Biotite LP-6 (Biotite) Block: A
First entry: 04/16/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Phyllosilicate
Mica
Synthetic? no
Formula
Standard element(s)
K(Fe,Mg)3AlSi3O10(OH,F)2
Si Al Mg K
Source / reference C.M. Taylor
General comment 40-60 mesh.

    (*) Recommended analysis
    Analysis type unknown
    Comment analysis Standard analysis from C.M. Taylor. H2O recalculated through mineral formula calculation (original value = 3.53).
    Wt-% oxideWt-% elementAtom [p.f.u.]
    38.330
    1.670
    15.300
    2.250
    8.550
    19.350
    0.110
    0.010
    0.220
    0.210
    0.090
    10.030
    0.030
    0.260
    4.011
    -0.109
    SiO2
    TiO2
    Al2O3
    Fe2O3
    FeO
    MgO
    MnO
    ZnO
    BaO
    CaO
    Na2O
    K2O
    Rb2O
    F
    H2O
    O=F,Cl
    17.917
    1.001
    8.098
    1.574
    6.646
    11.669
    0.085
    0.008
    0.197
    0.150
    0.067
    8.326
    0.027
    0.260
    0.449
    -0.109
    43.947
    Si
    Ti
    Al
    Fe3+
    Fe2+
    Mg
    Mn
    Zn
    Ba
    Ca
    Na
    K
    Rb
    F
    H
    O=F,Cl
    O
    2.780
    0.091
    1.308
    0.123
    0.519
    2.092
    0.007
    0.001
    0.006
    0.016
    0.013
    0.928
    0.001
    0.060
    1.940
    -
    12.000
    100.312100.31221.885
    See analysis 1 for recommended analysis
    Analysis type single point
    Comment analysis Single point or average microprobe analysis, from C.M. Taylor. MgO taken from previous analysis.
    Wt-% oxideWt-% elementAtom [p.f.u.]
    38.370
    1.700
    15.530
    10.360
    19.350
    0.100
    0.050
    0.100
    10.220
    4.116
    SiO2
    TiO2
    Al2O3
    FeO
    MgO
    MnO
    CaO
    Na2O
    K2O
    H2O
    17.935
    1.019
    8.219
    8.053
    11.669
    0.077
    0.036
    0.074
    8.484
    0.461
    43.869
    Si
    Ti
    Al
    Fe2+
    Mg
    Mn
    Ca
    Na
    K
    H
    O
    2.795
    0.093
    1.333
    0.631
    2.101
    0.006
    0.004
    0.014
    0.950
    2.000
    12.000
    99.89699.89621.927

Colorado University at Boulder - EMP facility © 2012
Webmaster (Julien Allaz): julien.allaz@colorado.edu | Lab manager (Julien Allaz, Kevin Mahan): julien.allaz@colorado.edu

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