RE1-B25
Lepidolite. The main ore mineral is lepidolite, accounting for about 95%; the gangue mineral is cleavelandite, accounting for about 5%. It belongs to the monoclinic system, with aggregates occurring as scaly flakes. Transparent, light purple in color, vitreous luster, with pearly luster on cleavage surfaces. Cleavage {001} perfect. Thin flakes are elastic. Hardness 2–3. Density 2.8–2.9 g/cm³.

RE1-B26
Lepidolite. The main ore mineral is lepidolite, accounting for about 50%; the gangue minerals are spodumene and quartz, totaling about 50%. It belongs to the monoclinic system, with aggregates occurring as scaly flakes. Transparent, purple in color, vitreous luster, with pearly luster on cleavage surfaces. Cleavage {001} perfect. Thin flakes are elastic. Hardness 2–3. Density 2.8–2.9 g/cm³.