The gemmological characteristics of the coral fossils are studied by using polarizing microscope, micro-hardness tester, EPMA, IR and X-ray powder diffraction.

• 采用偏光显微镜、显微硬度测试仪、电子探针、红外光谱、X射线粉末衍射等测试技术，对该地区珊瑚化石样品的宝石学特征进行了研究。