clivered

Clivered is a term that refers to a type of glass that has been intentionally altered to produce a distinctive, cloudy or milky appearance. This effect is achieved through the addition of various impurities or through specific manufacturing processes. The term "clivered" is often used in the context of stained glass, where it describes glass that has been intentionally made opaque or translucent to create a desired visual effect.

The process of creating clivered glass can involve several methods. One common technique is the use of lead oxide, which, when added to the glass mixture, can create a cloudy or milky appearance. Another method involves the use of specific types of sand or other minerals that contain impurities, which can also result in a clivered effect. Additionally, some manufacturers may use specific firing techniques or temperature variations during the glass-making process to achieve the desired clivered appearance.

Clivered glass is valued for its ability to create unique and visually interesting effects in stained glass work. It can be used to create depth and texture, as well as to obscure or soften the appearance of certain elements in a design. The use of clivered glass has been a traditional technique in stained glass art, and it continues to be an important aspect of the craft today.