Glass has considerably changed our daily lives (eyewear, tableware, bottles and other containers), revolutionized architecture and become an integral part of less conspicuous and hyper-technical fields such as electricity, telecommunications, textiles and laboratory chemistry. This diversity of application is intimately linked to the very numerous properties of glass. transparency, capacity to take colour, plasticity and hardness make it a multipurpose material. The mystique surrounding the elusive nature of glass means that it has often been associated with myths, beliefs, special properties and even magical powers. Glass really is a material at the boundary of the physical and the metaphysical.