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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (01:06)

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Standard - Information

In use Biotite 13 (Biotite) Block: A, #7
First entry: 04/15/2012 || Last update: 05/08/2012 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 Fe K Cl
Source / reference ?

Analysis 1
Analysis type unknown
Wt-% oxideWt-% elementAtom [p.f.u.]
33.110
1.310
17.650
31.480
2.820
0.050
0.100
0.130
9.010
0.230
1.110
3.257
-0.347
SiO2
TiO2
Al2O3
FeO
MgO
MnO
CaO
Na2O
K2O
F
Cl
H2O
O=F,Cl
15.477
0.785
9.341
24.470
1.701
0.039
0.071
0.096
7.480
0.230
1.110
0.364
-0.347
39.144
Si
Ti
Al
Fe2+
Mg
Mn
Ca
Na
K
F
Cl
H
O=F,Cl
O
2.722
0.081
1.710
2.164
0.346
0.003
0.009
0.021
0.945
0.060
0.155
1.786
-
12.000
99.91099.96122.002

BSE image of Biotite 13 (Block B).



EDS spectrum in Biotite 13 at 15 kV.


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