(1) The imprint of chalcography by the methods of graving, itching, pressing and scratching is very different from other kinds of printmaking.

(2) The second section elaborates the transformation of chalcography from the paradox caused by the co-existence of academic gravure of reproduction and artistic gravure of liberality.

(3) This essay explores the interaction of Romanticism and chalcography, and the evolution of its expression and techniques.

(4) The mineral character, the mineral arisen sequence and the relation of mineral intergrowth are studied by mineralogy, chalcography, chymic analysis and EPMA, etc.

(5) The movement of Romanticism has played a key role in the transformation when chalcography developed from a printing technology into a creative medium.