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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (01:49)

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Standard - Information

In use Garnet P-130 (Almandine-Spessartine) Block: A, Bence-Albee
First entry: 04/15/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Nesosilicate
Garnet
Synthetic? no
Formula
Standard element(s)
(Fe,Mn)3Al2(SiO4)3
Si Al Fe Mn
Source / reference CIT collection
Origin, rock type... Nuevo, Mexico

Analysis 1
Analysis type unknown
Comment analysis Same analysis as UMass Amherst, analysis here from J.W. Drexler folder (very close to what we had at UMass, possibly coming also from AEB, 1968?).
Fe2O3 = 0.87; FeO = 20.97.
Wt-% oxideWt-% elementAtom [p.f.u.]
36.190
0.040
20.000
21.750
0.300
21.050
0.380
SiO2
TiO2
Al2O3
FeO
MgO
MnO
CaO
16.916
0.024
10.585
16.907
0.181
16.302
0.272
38.523
Si
Ti
Al
Fe2+
Mg
Mn
Ca
O
3.002
0.002
1.955
1.509
0.037
1.479
0.034
12.000
99.71099.71020.018

BSE image of garnet P-130 (block BA).



BSE image of Garnet P-130 (Block B).



EDS spectrum in garnet P-130 at 15 kV.



EDS spectrum in Garnet P-130 at 15 kV.


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Webmaster (Julien Allaz): julien.allaz@colorado.edu | Lab manager (Julien Allaz, Kevin Mahan): julien.allaz@colorado.edu

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