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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.
This is a very common type of luster and can occur in minerals that are transparent or translucent. Some of these minerals are quartz and calcite. Greasy. The greasy type of luster can be found in minerals that look like they were coated with oil or grease.