Iron pyrites, plumbago.
Metallic and non-metallic.
Two examples are quartz and mica. Minerals are also classified as metallic or non-metallic.
The two types of luster are metallic and nonmetallic. There is a an intermediate category known as sub-metallic. Some minerals even look like plastic.
There are several thousands of minerals, and many different ways to classify them. An easy way to separate them into two types is to call them either metallic or non-metallic.
The two uses for metallic minerals are - spacecrafts and automobiles
mu butt
fossils are not metallic minerals. marbles are non metallic minerals.
Metallic and non-metallic
Non metallic minerals are minerals that have no shine and crumble easily. Non-metallic minerals are sand, gravel, and stone.
metallic and non-metallic
roads and buildings
Metallic minerals are minerals that have a metallic luster, making them very shiny. A few metallic minerals are Graphite, Galena, Magnetite, and Pyrite. The mineral Hematite can be metallic or nonmetallic