The four types of clay are Earthenware clay, Stoneware clay, Ball clay, and Porcelain. All of them can be used to make pottery, the end result will differ.
Pottery making methods - Part #1: Hand building
The Art of Making Japanese Ceramics
220 Annelle ideas mosaic glass, stained glass mosaic, mosaic art
Coiling Pottery 101: A Handbuilding Technique - Wheel & Clay
What Are The Four Types Of Clay? - Pottery Crafters
The Different Types of Pottery Clay
Top 10 stoneware clay pottery ideas and inspiration
The Basics of Pottery Clay
What Are The Four Types Of Clay? - Pottery Crafters