Natural Indian Minerals
Ball Clay Minerals

Name and composition - Also called pipe clay. Composition is similar to that of china clay, viz., hydroxyl aluminum silicate; AI4 (Si4O10)(OH)8.

Physical Properties - Similar to china clay. The name originates from carnival, where the clay was occurring in the form of balls, hence, it is name as ball clay.

Mode of Occurrence - Occurs in the form of bedded and pocket deposit associated with aluminous rocks.

Uses - Its major use (about 97%) is in ceramics and pottery. Other industries where ball clay is used are refractory, pesticide, insulators, insulator sheets, detergent; as filler in paper and textile industries, in paint industries, medicines, clothes etc.

Mineral based Industries – Ceramic industries.

Industrial Prospects – Ceramic industries.


Physical Properties
Hardness
Sp. gr.
P.H.Value
Absorption
2 to 2.5
2.16 to 2.68
7.06
9.53 %
Chemical Properties
Silica (SiO2)
Alumina (Al2O3)
Ferric Oxide (Fe2O3)
Titanium Dioxide (TiO2)
Magnesium Oxide (MgO)
Calcium Oxide (CaO)
Potassium Oxide (K2O)
Sodium Oxide (Na2O)
Loss on Ignition
59.42 %
25 %
0.58 %
0.20 %
0.60 %
0.50 %
0.50 %
0.32 %
12.88 %
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