Lapis-lazuli or Lazuli. A mineral of a fine azure-blue color, usually occurring in small rounded masses. It is essentially a silicate of alumina, lime, and soda, with some sodium sulphide. It is often marked by yellow spots or veins of sulphide of iron, and is much valued for ornamental work.

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“Let us strengthen and cheer ourselves with the persuasion that nothing can befall us by chance, that all our times are in his hand, and that we are immortal till our work is done.”
–Works of Rev. William Jay, Evening, Sept. 12