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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (02:36)

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Standard - Information

In use Scapolite (Meionite) (Scapolite) Block: A
First entry: 04/16/2012 || Last update: 04/19/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Tectosilicate
Scapolite
Synthetic? no
Formula
Standard element(s)
(Na,Ca)4Al3Si9O24Cl
Si Al Ca
Source / reference USNM #R6600-1
Origin, rock type... Brazil
General comment See Jarosewich et al. (1980), Geostandards Newsletter 4 (2), p. 257

Analysis 1
Analysis type unknown
Comment analysis Normalization not to be trusted: total amount of O has been adjusted to match a total of 17 cations...
Wt-% oxideWt-% elementAtom [p.f.u.]
1.320
49.780
25.050
0.170
13.580
5.200
0.940
1.430
0.210
2.500
-0.323
SO3
SiO2
Al2O3
FeO
CaO
Na2O
K2O
Cl
H2O
CO2
O=F,Cl
0.529
23.269
13.258
0.132
9.706
3.858
0.780
1.430
0.023
0.682
-0.323
46.513
S
Si
Al
Fe2+
Ca
Na
K
Cl
H
C
O=F,Cl
O
0.149
7.472
4.431
0.021
2.184
1.513
0.180
0.364
0.210
0.512
-
26.400
99.85799.85743.436

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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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