A new study of 'The Fair Stone', defining jade, its nature, virtues, deposits and carving techniques according to ancient Chinese texts. Analysis of ancient sources with a critical mind may supplement archaeological finds and modern scientific studies, but others still present scholars with quite a few riddles, such as metal jade carving implements. This study attempts to provide an analysis of the multifaceted meanings, connotations and echoes of a single word, concept and symbol. It also allows a better grasp of matters of concern for mineralogists and gemmologists: jade's origin and...