Andradite SXES spectrum, 5 keV e<sup>-</sup> beam, CSIRO 2016

Andradite SXES spectrum, 5 keV e^- beam, CSIRO 2016

Description	SXES spectrum of Andradite
Reference	CSIRO SXES database by C. M. MacRae, N. C. Wilson, and A. Torpy, CSIRO Mineral Resources https://spectroscopy.csiro.au/sxes
Date measured	2016-09-27
Material	Andradite [ Ca₃Fe^III₂(SiO₄)₃ ] Andradite single crystal (4.2 cm), from Sibinndi, Nioro du Sahel Circle, Kayes Region, Mali. © Photo by Didier Descouens (via Wikimedia Commons), CC-BY-SA 4.0
Specimen	Ca3Fe2(SiO4)3 Hyper1-5 Andradite [CSIRO - Microbeam Lab standard blocks] BSE image of Andradite [Ca3Fe3+2(SiO4)3] in 'Ca3Fe2(SiO4)3 Hyper1-5 Andradite' standard (CSIRO). Instrument: JEOL JSM-IT800. © (C) 2024 CSIRO Mineral Resources. All Rights reserved.
Related specimen	P-0170 Andradite [CSIRO - Microbeam Lab P-mounts], Dookie, Goulburn Valley, Victoria, Australia. Museums Victoria M32598
Technique	Soft x-ray emission spectroscopy (SXES)
Instrument	JEOL 8530F
Probe	5 keV electron beam
Beam current	99.9 nA
Grating	50XL
Acquisition time	640 s
Channel count	2048
Energy range	46.8109 … 170.472 eV
Intensity range	54.7095 … 6210.96 counts
Integral	902772 counts

Composition of Andradite in specimen "Ca3Fe2(SiO4)3 Hyper1-5 Andradite" [CSIRO].
Element	Atoms	At%	Wt%
Ca	3	15	23.7
Fe	2	10	22
Si	3	15	16.6
O	12	60	37.8