What is referred to by 'corniche silver shadow'?

Based on the clue 'cornflower blue is the most prized color of this g...', what is the answer? What is referred to by 'cornflower cerulean periwinkle'? What is referred to by 'cornflowers cornflower shirts'? Which performer is associated with 'cornhusker'? What is associated with: corning made glass tough enough for windows on these current vehicles to re enter our atmosphe… Based on the clue 'cornish pasties named for this english county ofte...', what is the answer? What is associated with: cornish the language of this county of england became extinct in 1777? What is associated with: cornplanter a chief of this confederacy signed a 1784 treaty ceding the us all land w of the n…