[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Minerals and Metals in Ancient India](https://indike.org/pramana/ins.science.biswas-1996) › v2.c47.86 # Minerals and Metals in Ancient India v2.c47.86 Minerals and Metals in Ancient India v2.c47.86 - **Language:** English ### [v2.c47.86](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.86) \*Kaolin\* : China-clay. Name from the Chinese hill Kauling. Phyllosilicate. Al₄Si₄O₁₀(OH)₈. Dull earthy-white. Soft. Hardness 2-2.5. Product of decomposition of feldspar, granite etc. May be associated with quartz, iron oxide etc. Pure variety for pottery, porcelain or Chinaware etc. - [Previous: v2.c47.85](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.85) - [Next: v2.c47.87](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.87) - [Up: v2.c47](https://indike.org/pramana/ins.science.biswas-1996.v2.c47) --- Source: [https://indike.org/pramana/ins.science.biswas-1996.v2.c47.86](https://indike.org/pramana/ins.science.biswas-1996.v2.c47.86) · Pramāṇa