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:

    “People who, out of an inborn moderation, leave every glass standing only half-emptied refuse to admit that everything in the world has its sediments and dregs.”
    —Friedrich Nietzsche (1844–1900)