Gui jades, i.e. Shimao jades, differ greatly from the jades of the ancient culture discovered to the south-west of Lake Baikal and they probably evolved from a separate source outside, but not too distant from, the Lake Baikal region.

• 鬼玉(即石峁玉器)与所见贝加尔湖西南古文化玉器有着很大的不同.；其源头可能不在贝加尔湖周边；而在其附近或距其不太遥远的地方。