Blue Stone

Blue stone is a generic mineral description commonly applied to a variety of minerals. Perhaps the most common reference is to the hydrated copper(II) sulfate mineral, chalcanthite. The name "blue stone" is also applicable to lazurite, the core constituent of lapis lazuli, a sulfide of sodium aluminium silicate in the sodalite group.

The term bluestone is also used for the dolerite stones at Stonehenge.

Read more about Blue Stone:  Other Uses

Famous quotes containing the words blue and/or stone:

    Blue skies smiling at me
    Nothing but blue skies do I see.
    Irving Berlin (1888–1989)

    Ye could not know where lies a thing so fair,
    No stone is there to show, no tongue to say,
    What was; no dirge, except the hollow sea’s,
    Mourns o’er the beauty of the Cyclades.
    George Gordon Noel Byron (1788–1824)