Meaning of andradite in English:


Pronunciation /ˈandrədʌɪt/


mass noun
  • A mineral of the garnet group, containing calcium and iron. It occurs as yellow, green, brown, or black crystals, sometimes of gem quality.

    ‘The skarns also contain hornblende, calcite, pyroxene, tremolite, pyrrhotite, molybdenite, galena, chalcopyrite, arsenopyrite, garnet (probably andradite or grossular), and pyrite.’
    • ‘The crystals have a typical pseudo-octahedral habit, often with composite crystal faces, and are typically associated with red andradite, hematite, calcite, gaudefroyite, barite. kutnohorite, celestine, or even sturmanite.’
    • ‘The third major find in recent years is green andradite, some of which may be considered demantoid.’
    • ‘In the introduction to the garnet group, the various distinct species such as pyrope, almandite, grossularite, andradite, and spessartite are referred to as varieties.’
    • ‘The portion of the skarn where the rainbow garnets are found is essentially a coarse-grained aggregate of pure andradite.’


Mid 19th century named after J. B. de Andrada e Silva (c1763–1838), Brazilian geologist, + -ite.