What is a Mineral?

Whats the Difference?

Rocks and minerals can often be hard to tell apart because they look very similar. So how do we really tell them apart? Well, first we need to know the difference between a rocks and a minerals. While rocks are made from a mixture of minerals and other substances (such as worn-off particles from other rocks), minerals are only made of one substance.

There are different properties that can help identify different types of minerals. The first property is luster. (See more on the next page)

Different Properties of Minerals

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