Halloysite

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Halloysite hăl*loi"sīt (Min) A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color.
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Century Dictionary and Cyclopedia
    • n halloysite A clay-like, earthy mineral with waxy or dull luster, white or slightly colored, and having a conchoidal fracture. It is a hydrous silicate of aluminium.
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Etymology

Webster's Revised Unabridged Dictionary
Named after Omalius d'Halloy,