“碧玉子”砚
南宋·庆元元年
直径22.4厘米 高3厘米
1981年7月诸暨市城西南宋纪年墓出土
诸暨博物馆藏
文房用具。略呈圆形，边缘不甚规整，砚体呈紫黑色，砚面呈自然平板状，以乳白色为主，伴以青色和淡黄色，石质细腻润滑，砚面一侧阴刻隶书“碧玉子”三字。国家一级文物。（毛桂舟）
Biyuzi(Green Jade) Inkstone
The first year of Qingyuan(1194) of the Southern Song Dynasty
Preserved by Zhuji Museum
The inkstone is somewhat round,whose edge is irregular.The inkstone is purplish black.The stone is fine and smooth.On a side of the inkstone face there are three characters“碧玉子”(Green Jade) engraved in the official script.
