北京首都博物馆庋藏古代名砚多方,上迄汉唐,下至明清,不乏难得一见之珍品,今撷取数方,与同好共赏。明龙尾歙砚歙石,产龙尾山。据宋人洪适《歙砚说》记载:“龙尾山在婺源县长城里。唐开元中叶氏得其地,尝取石为砚。”又记:“龙尾石多产于水中,故极温润。性本坚密,叩之其声清越,宛若玉振,与他石不同。” The Beijing Capital Museum contains many ancient inkstones from ancient Shangyan to the Han and Tang dynasties. From the Ming Dynasty to the Qing Dynasty, there are many treasures rare in the sight of the present. Minglong tail 歙 Yan 歙 stone, producing Longwei Mountain. According to the Song Hong Hong “Yu Yan said” records: “Long tail mountain in Wuyuan County Great Wall. Tang Kaiyuan middle of its place, try to stone for the Yan. ” Also recorded: “Dragon tail prolific in the water, so pole Wenrun. Sex of the firm, percussion of its more clear, just like Yu Zhen, different from him. ”