What color is used to represent minerals in geology?

The color of minerals is determined by their composition and internal structure. The color of ions, structural defects in mineral crystals, impurities and inclusions in minerals will also affect the color of minerals. Mainly divided into self-color, other color and false color. Among them, the color of each mineral is relatively fixed. Some false colors are the characteristics of some specific minerals, so they can be used as one of the important distinguishing characteristics of minerals.