What Is Kaolinised Granite?

China stone is a medium grained, feldspar-rich partially kaolinised granite characterized by the absence of iron-bearing minerals. It is mainly used for making porcelain, hence the name, and coatings for paper. ... Its mineral content includes quartz, feldspar and mica; accessory minerals include kaolinite and fluorspar.

What is kaolin used for?

Kaolin is a type of clay found in nature. People use it to make medicine. Kaolin is most commonly used for diarrhea. It is also used for swelling and sores inside the mouth (oral mucositis), to stop bleeding, and other conditions, but there is no good scientific evidence to support most of these uses.

What is kaolin derived from?

The primary constituent in kaolin is the mineral kaolinite, a hydrous aluminum silicate formed by the decomposition of minerals such as feldspar. The name kaolin derives from the Chinese and means high ridge. High ridge is a reference to the hill in south-eastern China where the clay was originally discovered and used.