Bronze ox head of the Old Summer Palace ....2015-05-24

Bronze pig head of the Old Summer Palace ....2015-05-24

Bronze tiger head of the Old Summer Palace ....2015-05-24

Bronze monkey head of the Old Summer Palace ....2015-05-24

the national treasure of Morocco- trilobite fossil ....2015-05-24

The longest native gold of the world-“thunderbolt” ....2015-05-24

Rhodochrosite “empress of China” ....2015-05-24

Man-Han banquet of rare stones ....2015-05-23

The most precious treasure of the museum- natural rainbow fluorite “golden couple” ....2015-05-23

Nephrite of China is mainly originated in Xinjiang province. ....2015-05-11

The evaluation principles for jade are 4C, 2T and 1V ....2015-05-11

Garnet is derived from Latin granatum which means “looks like seeds” ....2015-05-11

Chinese gem industry called the tourmaline as “Bi Xi”. ....2015-04-17