Portland vase - Portland vase Portland vase, a Roman glass vase, known also as the Barberini vase. It is an ...
stoneware - stoneware stoneware, hard pottery made from siliceous paste, fired at high temperature to vitrify ...
CERAMICS - The word ceramic comes from an ancient Greek word for “burned earth”. Ceramics are made by firing (heating) clay (fine particles of earth) in an oven