产于我国广东省宁夏地区的一种以绢云母为主要成分的印石。

Produced in Ningxia region of China Guangdong Province, a kind of sericite as the main component of Indian stone.

youdao

产于我国广东省宁夏地区的一种以绢云母为主要成分的印石。

Produced in Ningxia region of China Guangdong Province, a kind of sericite as the main component of Indian stone.

youdao