“笔、墨、纸、砚”统称文房四宝,为古代文人不可缺少的工具,也是近代书法家必备文物,作为名砚——鲁砚的一种尼山砚,在其评比中也算得姣姣者了。尼山砚,因其石料出于孔子证坐地——曲阜尼山而得名。据清乾隆年间修订的“曲阜县志”记载“尼山之石、文理精腻、质坚色黄,可以为砚”可知尼山石制砚已有很悠久的历史了。据笔者调查:尼山东北有一周家村,村前一小沟名曰“中和”又叫砚石沟为古代开采砚石之地。从地质学分析此砚石产于寒武纪上统含泥质石灰岩中,砚石虽同属泥质灰岩,但成份结构有别,从岩石质量来看它细腻坚韧,无节理裂纹,表面多呈橘黄色,并含 “Pen, ink, paper, Yan ” collectively referred to as the four treasures of literature, an indispensable tool for ancient literati, but also the necessary calligraphies of modern calligrapher, as a famous inkstone - a Nepalese inkstone of Lu Yan, also in its evaluation Jiaojiao those. Nepalese inkstone, because of its stone out of place for Confucius - Qufu Nishan named. According to the Qing Emperor Qianlong revised “Qufu County,” records “Nisan stone, fine arts and texture, solid yellow, can be Yan ” Nishan stone can be seen inkstone has a long history. According to the author’s survey: Nishan Northeast a week village, a small ditch before the village called “and ” also known as Yan Shigou for the ancient mining inkstone. From the geological analysis of this inkstone was produced in the Cambrian upper sedimentary limestone, inkstone although belong to the mud limestone, but the composition of the structure is different from the rock quality, it is delicate and tough, no joint cracks, surface and more Was orange, and contains