Light-mineral



noun, Geology.
1.
any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.

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  • Lightness

    [lahyt-nis] /ˈlaɪt nɪs/ noun 1. the state or quality of being in weight: the amazing lightness of the new metal. 2. the quality of being agile, nimble, or graceful. 3. lack of pressure or burdensomeness. 4. lack of seriousness; levity in actions, thoughts, or speech: That kind of lightness seemed out of place. 5. gaiety […]

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