Rach Gia

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

“圖章石”的主要礦物成分為迪開石類礦物非葉蠟石礦物

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

高嶺石亞族在塔里木盆地出現高嶺石和迪開石兩個種,二者具有各自的特征和形成條件。