Sentence:  The night we first met , at one of Mrs. Monmouth 's giant parties , he was wearing a brown cashmere jacket with silver buttons and a soft pink Viyella shirt ; instead of a necktie he wore a leather bolo drawn through a golden ring in which was set a lump of pale pure <WSD>jade</WSD> . 
Meaning of the word marked with <WSD> tags:  a semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite