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.

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Famous quotes containing the word glass:

    “Before the beginning of years
    There came to the making of man
    Time, with a gift of tears;
    Grief, with a glass that ran;”
    —A.C. (Algernon Charles)