(from the article `gastropod`) ...earliest times, humans have used many species of snails as food. Periwinkles (Littorina) in Europe and South Africa, queen conchs (Strombus gigas) ... in the decorative arts, East Asian technique of decorating lacquer ware with inlaid designs employing shaped pieces of the iridescent blue-green ... [... Found on http://www.britannica.com/eb/a-z/h/7
Ha`li·o'tis (hā`lĭ*ō'tĭs or hăl`ĭ-) noun [ New Latin , from Greek 'a`ls sea + o'y^s , 'wto`s , ear.] (Zoology) A genus of marine shells; the ear-shells. See Abalone . Found on http://www.encyclo.co.uk/webster/H/7
Haliotis is a genus of gateropodous molluscs commonly called abalone, ear- shell or sea-ear and found adhering to rocks on the sea-shore. They are remarkable for the pearly iridescence of their inner surface. Found on http://www.probertencyclopaedia.com/browse/BH.HTM