For what it's worth, Webster's definition is as follows:So what constitutes "authentic" China?
Definition of china
1: porcelain; also : vitreous porcelain wares (such as dishes, vases, or ornaments) for domestic use
2: earthenware or porcelain tableware
Some would say that porcelain is ceramic, but of higher quality. I, however, haven't a clue. All I know is it;s better than disposable plastic plates. And as one who recycles everything, I'm doubtful that happens on Amtrak.