Agate

Agate

Agate ( /ˈæɡət/) is a microcrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.

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Famous quotes containing the word agate:

    Don’t pity me now,
    Don’t pity me never;
    I’m going to do nothing
    For ever and ever.
    —James Agate (1877–1947)

    Shaw’s plays are the price we pay for Shaw’s prefaces.
    —James Agate (1877–1947)

    O heart, small urn
    of porphyry, agate or cornelian,
    how imperceptibly the grain fell
    between a heart-beat of pleasure
    and a heart-beat of pain.
    Hilda Doolittle (1886–1961)