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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (02:14)

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Standard - Information

In use Orthoclase MAD-10 (Orthoclase) Block: #X
First entry: 04/15/2012 || Last update: 04/16/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Tectosilicate
Feldspar
Synthetic? no
Formula
Standard element(s)
KAlSi3O8
Si K
Source / reference C.M. Taylor
General comment Aside of MAD-10, two other analyses in C.M. Taylor list of standard (#2a and #2b)...

Analysis 1
Analysis type unknown
Comment analysis Rb2O was given in older analysis, not sure if this value is OK...
Wt-% oxideWt-% elementAtom [p.f.u.]
64.800
16.740
2.010
0.050
0.910
15.490
0.040
SiO2
Al2O3
Fe2O3
BaO
Na2O
K2O
Rb2O
30.290
8.860
1.406
0.045
0.675
12.859
0.037
45.869
Si
Al
Fe3+
Ba
Na
K
Rb
O
3.009
0.916
0.070
0.001
0.082
0.918
0.001
8.000
100.040100.04112.997

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