To learn about the minerals that produce copper, check my page ofCOPPER ORES AND MINERALS Please note these specimens are not for sale, most are not owned by me. I present this page of photos as a reference, as folks just love to look at real natural beauty and these gold specimens are...
Compared to Tb3+ ions, Ce3+ ions have larger electron effective transition wavelengths and higher transition efficiency, and CeO2 raw material is relatively cheap. Rare earth aluminate (REAlO3) crystallizes in a perovskite-type structure. It has a high content of rare earth ions per-unit ...