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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.
Every mineral has a characteristic luster, but some minerals may have a different luster on different specimens. There is no scientific method to determine luster. Often, determining the luster of a particular specimen is personal; to some it may appear as one type of luster, and to others as a different type.inerals with a pitchy luster are usually radioactive and have gone through the process of metamiction. Waxy-A waxy luster describes a mineral that appears as if it were coated with a layer wax. Dull-This luster defines minerals with poor reflective qualities, much like unglazed porcelain.