1, hetian white jade origin: hetian, Xinjiang.

2. Qinghai white jade origin: it is a white nephrite produced in Qinghai area of Kunlun Mountain.

Second, the characteristics are different.

1, Hetian jade white jade features: Hetian jade has a reddish-brown "sugar color".

2, Qinghai white jade characteristics: Qinghai white jade has never seen such a sugar color.

Third, the appearance is different.

1. Appearance of Hetian jade: Common colors are white, gray, green, dark green, yellow and black. Most of them are opaque and a few are translucent and glassy. The best white jade, as white as sheep fat, is called "sheep fat jade".

2, Qinghai white jade appearance:

(1) White bark is more common in new mountain materials. The main component of the skin is magnesium marble, which is gray and rough in texture. It can bubble in hydrochloric acid, and explosive cracks often occur due to mining.

(2) Black skin, common in slope materials, has fallen off due to weathering, and jade is exposed. Insects and birds sometimes inhabit the low temperature environment on the plateau. Their species and secretions accumulate over time, and together with the polluted dust, they form black skin (generally not in millimeter level), shiny black grease, and some have a fishy smell, which will attract insects such as flies.

(3) Yellow bark, mostly produced in streams or near Shui Gu, the original white bark has been weathered. But there is still residue, which is polluted by iron and manganese in the water. Then a yellow skin was formed. Yellow peel is light yellow to orange-red, and the pulp boundary is clear and easy to separate.

Baidu Encyclopedia-Qinghai White

Baidu Encyclopedia-Hotan Baiyu