noun. A porcelainlike clay aluminosilicate mineral, Al₂SiO₅(OH)₄·2H₂O, consisting of small, slender tubes and formed by the weathering of other aluminosilicate minerals.

noun. 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.

noun. A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color.

noun. A monoclinic-domatic mineral containing aluminum, hydrogen, oxygen, and silicon.

"The Company's halloysite nanotube HNT products involve filling HNTs with active agents for use in the polymer composites, health and beauty, household product, and agrichemical industries."