While stone is the material most commonly used to carve seals, a wide variety of other materials are used to carve these exquisite pieces of art. This month Sinorama will survey the numerous other seal materials.
印章的種類極多，光是石印，就包括本欄陸續介紹過的壽山（如田黃、白芙蓉等）、昌化（如雞血石、桃花凍等）和青田（如醬油凍等）三大類石材；以及未曾介紹的各式雜石，如楚石、莆田石、寶花石…… 等，這些雜石因品級較低，故略去不表。