The Bèt §á kaolin is derived from weathered veins of granite - aplite of the §¹i Léc Complex. The ore bodies of kaolin are distributed mainly in the intersection of fault systems.

The Bèt §á kaolin has good quality for meeting the requirements of the ceramic industry. The Al₂O₃ average content in kaolin is 28,84% and Fe₂O₃ average content in kaolin is 1,43%. Average recovery is 65,56% with the size of 0,2 mm.

The plastic, drying and baking technical characters of frame and glaze with the mixture of Bèt §á kaolin show that this kaolin is suitable for using as raw materials of ceramic industry.