reflectogram of vitrinite

例句：

1. 1. The reflectogram of the vitrinite is a valuable tool for studying the structure of the mineral.
   该矿物的反射像片是研究其结构的一个宝贵工具。
2. 2. The reflectogram reveals the complex patterns of light that make up the mineral's colors.
   反射像片揭示了构成矿物颜色的复杂光线模式。
3. 3.The reflectogram was used to map out the distribution of the mineral in different parts of the world.
   反射像片被用来绘制出矿物在世界不同地区的分布图。