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2016-09-28T08:01:51-04:00. The two kinds of minerals are: macrominerals and trace minerals. Macro means large in Greek (and your body needs larger amounts of macrominerals than trace minerals). The macromineral group is made up of calcium, phosphorus,magnesium, sodium, potassium, chloride, and sulfur. This question is archived.
Other rocks are much finer grained than granite, so it's not easy to spot the different minerals. Slate is a rock that was made from clay, and clay is composed of tiny, tiny particles. Those particles can be minerals like quartz, pyrite, apatite, muscovite, feldspar, kaolinite, biotite, tourmaline - the list goes on!