Quartz CL/SEM measurement, e<sup>-</sup> beam, Richter <i>et al.</i> 2003

Quartz CL/SEM measurement, e^- beam, Richter et al. 2003

Reference	Richter et al. 2003 Richter D. K., Götte T., Götze J. & Neuser R. D. (2003). Progress in application of cathodoluminescence (CL) in sedimentary petrology. Mineralogy and Petrology, 79(3-4), 127-166. DOI: https://doi.org/10.1007/s00710-003-0237-4
Material	Quartz [ SiO₂ ] Rutilated quartz specimen, from Ibitiara, Bahia, Northeast Region, Brazil. Size: 6.6 x 5.5 x 5.1 cm. © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
Specimen temperature	Ambient
Technique	Cathodoluminescence (CL), using a Scanning Electron Microscope (SEM)
Probe	Electron beam
Lines	[AlO4\|M+]- center 380 — 390 nm, 500 nm, Intrinsic defect 175 nm, 290 nm, 340 nm, 420 nm, 450 nm, 580 nm, NBOHC 620 — 650 nm

Nominal composition of Quartz [ SiO₂ ].
Element	Atoms	At%	Wt%
Si	1	33.3	46.7
O	2	66.7	53.3