\\\"the cold crystalline water of melted snow\\\"
\\\"crystal clear skies\\\"
\\\"could see the sand on the bottom of the limpid pool\\\"
\\\"lucid air\\\"
\\\"a pellucid brook\\\"
\\\"transparent crystal\\\"

\\\"writes in a limpid style\\\"
\\\"lucid directions\\\"
\\\"a luculent oration\\\"
\\\"pellucid prose\\\"
\\\"a crystal clear explanation\\\"
\\\"a perspicuous argument\\\"