Definition of brucite in English:



mass noun
  • A white, grey, or greenish mineral typically occurring in the form of tabular crystals. It consists of hydrated magnesium hydroxide.

    • ‘The Woods Chrome mine of Texas Pennsylvania is a classic locality for brucite.’
    • ‘In the presence of excess ground waters, brucite in the friable matrix dissolves, leaving behind a residue of amorphous iron oxides.’
    • ‘They also subjected the brucite to deuteration which resulted in appropriate wavelength shifts in the spectrum, indicating that these bands are indeed due to true OH vibrations.’
    • ‘The spacing between the protruding oxygen atoms is comparable to the spacing between certain of the hydroxyl groups in layers of magnesium hydroxide (brucite) or aluminum hydroxide (gibbsite).’
    • ‘The individual magnesium hydroxide layers are identical to the individual layers of brucite and are referred to as the ‘brucite layers’.’


Early 19th century: named after Archibald Bruce (1777–1818), American mineralogist, + -ite.