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JEOL-8600 microprobe database (CU Boulder) | Print date: 08/07/2020 (16:24)

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Standard - Information

In use Kakanui Augite (Augite) Block: #4
First entry: 04/15/2012 || Last update: 04/19/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Inosilicate single chain
Clinopyroxene
Synthetic? no
Formula
Standard element(s)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
Si Mg Ca
Source / reference USNM #122142
Origin, rock type... Kakanui, New Zealand
General comment See Jarosewich et al. (1980), Geostandards Newsletter 4 (2), p. 257

Analysis 1
Analysis type unknown
Comment analysis Values manually corrected in copy of Jarosewich paper:
Al2O3 = 8.73
Fe2O3 = 1.08
FeO = 5.37
Wt-% oxideWt-% elementAtom [p.f.u.]
50.730
0.740
7.860
6.340
16.650
0.130
15.820
1.270
SiO2
TiO2
Al2O3
FeO
MgO
MnO
CaO
Na2O
23.713
0.444
4.160
4.928
10.041
0.101
11.307
0.942
43.906
Si
Ti
Al
Fe2+
Mg
Mn
Ca
Na
O
1.846
0.020
0.337
0.193
0.903
0.004
0.617
0.090
6.000
99.54099.54210.010

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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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Last update: June 2nd, 2013 (copyright) | Contact

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