Kaolinite Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
WAK | C | Wa Kaolin Limited | -6.78 | |
PIM | C | Pinnacle Minerals Ltd | 0.00 | |
ATC | D | Altech Chemicals Ltd | 2.22 | |
CR9 | D | Corella Resources Limited | 0.00 |
Related Industries: Industrial Metals & Minerals Other Industrial Metals & Mining
- Kaolinite
Kaolinite () is a clay mineral, part of the group of industrial minerals with the chemical composition Al2Si2O5(OH)4. It is a layered silicate mineral, with one tetrahedral sheet of silica (SiO4) linked through oxygen atoms to one octahedral sheet of alumina (AlO6) octahedra. Rocks that are rich in kaolinite are known as kaolin or china clay.The name "kaolin" is derived from "Gaoling" (Chinese: 高嶺; pinyin: Gāolǐng; lit. 'High Ridge'), a Chinese village near Jingdezhen in southeastern China's Jiangxi Province. The name entered English in 1727 from the French version of the word: kaolin, following François Xavier d'Entrecolles's reports on the making of Jingdezhen porcelain.Kaolinite has a low shrink–swell capacity and a low cation-exchange capacity (1–15 meq/100 g). It is a soft, earthy, usually white, mineral (dioctahedral phyllosilicate clay), produced by the chemical weathering of aluminium silicate minerals like feldspar. In many parts of the world it is colored pink-orange-red by iron oxide, giving it a distinct rust hue. Lighter concentrations yield white, yellow, or light orange colors. Alternating layers are sometimes found, as at Providence Canyon State Park in Georgia, United States. Commercial grades of kaolin are supplied and transported as dry powder, semi-dry noodle, or liquid slurry.
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