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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (01:08)

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Standard - Information

In use GdPO4 Block: B
First entry: 10/08/2012 by Julien Allaz
Mineral class
Sub-class
phosphate
Orthophosphate
Synthetic? yes
Formula
Standard element(s)
GdPO4
Gd
Source / reference Smithsonian Institute; USNM 168488
General comment Contain in average 0.4-0.5 wt-% Pb (variable from grain to grain; see Donovan et al., 2002, 2003).

Analysis 1
Analysis type stoichiometric
Wt-% oxideWt-% elementAtom [p.f.u.]
71.861
28.138
Gd2O3
P2O5
62.346
12.280
25.374
Gd
P
O
1.000
1.000
4.000
99.999100.0006.000

BSE image of GdPO4 (Block B).



EDS spectrum in GdPO4 (blue at 15 kV; red at 25 kV).


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