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As one of the properties in minerals, there are different types of luster as there are different mineral categories. Luster is divided into two categories namely nonmetallic and metallic. Metallic minerals tend to have a shiny and opaque appearance. There are various sub-categories of luster in nonmetallic minerals.
Physical properties of minerals Luster â¢ Appearance of a mineral in reflected light â¢ Two basic categories â¢ Metallic â¢ Nonmetallic â¢ Other descriptive terms include vitreous, Department Environmental, Earth, & Atmospheric Sciences silky, or earthy Galena (PbS) displays metallic luster.