煤精,也称煤玉、炭精,是煤层中一种特殊品种的腐泥煤。它质地细密、韧性大,可以用作雕刻材料,古代广泛用于磨制、雕刻工艺、装饰用品。建国以来,考古工作者从辽宁、陕西、山西、四川、河南、新疆、甘肃、广东、江苏、内蒙古等10个省、自治区境内数十处古墓、遗址中,发掘出土大量煤精制品,现从考古发掘资料 Coal, also known as coal jade, carbon, is a special species of coal in the sap peat. Its fine texture, toughness, can be used as carving materials, ancient widely used in grinding, carving, decorative items. Since the founding of the People’s Republic of China, archaeologists unearthed a large number of refined coal products from dozens of tombs and ruins in 10 provinces and autonomous regions in Liaoning, Shaanxi, Shanxi, Sichuan, Henan, Xinjiang, Gansu, Guangdong, Jiangsu and Inner Mongolia. Archeological excavation data