Clay is one of the most widespread and earliest minerals substances being used in India.
Clays originate from the rocks by physic-chemical decomposition, i.e. weathering.
In India, clay is used not only for making brick, but also earthen utensil, household appliances, and images of Gods and Goddesses.
Clay is available in abundance of the banks of many rivers, such as, the Brahmaputra, the Ganga, the Godavari, the Kaveri, etc., and their tributaries.