Glass - Silicate Glass

Silicate Glass

Silica (the chemical compound SiO2) is a common fundamental constituent of glass. In nature, vitrification of quartz occurs when lightning strikes sand, forming hollow, branching rootlike structures called fulgurite.

Read more about this topic:  Glass

Famous quotes containing the word glass:

    “It is difficult to read. The page is dark.
    Yet he knows what it is that he expects.
    The page is blank or a frame without a glass
    Or a glass that is empty when he looks.”
    —Wallace Stevens (1879–1955)