How are ceramics different from blue pottery?

Well, one might say that blue pottery is a type of ceramic work, different only in the facts that it has a distinct historic origin, a characteristic blue colour which gives it its name and clearly defined raw materials, namely, Fuller's earth (known as 'Multani Mitti' in India, powdered glass and Quartz stone among others. There are more geographical, cultural and visual distinguishing factors between these two art forms.