9 Crystals for use in opto-electronic devices, photonic devices, telecommunication devices, data communication devices, laser devices, scintillator based imaging devices and semi-conductor devices; scintillator materials, namely, rare earth oxide and rare earth hallide crystals with densities greater that 5 gcm·3, LYSO crystals, and LUAP crystals, all for industrial applications, namely, radiation detection, medical imaging, gamma ray detection and x-ray detection