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JEOL-8600 microprobe database (CU Boulder) | Print date: 09/22/2021 (00:55)

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Standard - Information

In use Quartz (Quartz) Block: A, Bence-Albee, MAC, #X
First entry: 04/15/2012 || Last update: 04/19/2012 by Julien Allaz
Mineral class
Sub-class
oxide
Tectosilicate
Synthetic? ???
Formula
Standard element(s)
SiO2
Si
Source / reference ?
General comment Might be synthetic. Present on four different block, but each might be a different kind of quartz? One (pure 99.99%) quartz is described in Jarosewich et al. (1980), Geostandards Newsletter 4 (2), p. 257 (USNM #R17701).

Analysis 1
Analysis type stoichiometric
Wt-% oxideWt-% elementAtom [p.f.u.]
99.999SiO246.743
53.257
Si
O
1.000
2.000
99.999100.0003.000

BSE image of quartz (block BA).



EDS spectrum in quartz at 15kV.


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