[{"Bold_text": "noun", "List Items": ["a mineral, a fluosilicate of aluminum, usually occurring in prismatic orthorhombic crystals of various colors, and used as a gem.", "citrine(def2) citrine(def2).", "either of two South American hummingbirds,Topaza pellaor T. pyra,having chiefly red and crimson plumage and a yellowish-green throat with a topaz sheen."]}]