Beryl 1 Computed tomography 1 Computerized tomography 1 Dual-energy 1 Dual-energy X-ray imaging 1 Electron sources 1 Emission spectroscopy 1 Images processing 1 Mica 1 Muscovite 1 Pulsed X-ray source Pulsed X-rays 1 X ray absorption 1 X ray detectors 1 X-ray absorption 1 X-ray absorptions 1 X-ray sources 1 beryl 1 computed tomography 1 dual-energy X-ray imaging 1 image processing 1 muscovite 1 pulsed X-ray source 1