Rach Gia

The Main Mineral Component of "Stamp stone" Is Dickite Type Minerals Not Pyrophyllite;

“图章石”的主要矿物成分为迪开石类矿物非叶蜡石矿物

Kaolinite subgroup is found in Tarim basin as kaolin and dickite pieces,both have individual feature and forming con-dition.

高岭石亚族在塔里木盆地出现高岭石和迪开石两个种,二者具有各自的特征和形成条件。