RE1-B27
Beryl. The main ore mineral is beryl, accounting for about 5%; the gangue minerals are mainly cleavelandite, muscovite, and quartz, totaling about 95%. The crystals belong to the hexagonal system, occurring as hexagonal prismatic individuals. The specimen is pale green in color, with vitreous luster and translucent. There is one set of imperfect cleavage parallel to {0001}. Hardness 7.5–8, density 2.6–2.9 g/cm³.

RE1-B28
Beryl. Hexagonal system, yellow in color, with a hexagonal prismatic habit. A silicate mineral containing beryllium and aluminum. The main ore mineral is beryl, accounting for about 90%; the gangue minerals are mainly feldspar and muscovite, totaling about 10%. There is one set of imperfect cleavage parallel to {0001}. Vitreous luster, translucent. Hardness 7.5–8, density 2.6–2.9 g/cm³.