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Minerals

Minerals. Chapter 2 Earth’s Surface. Minerals - Minerals are the building blocks of many things that we use every day. They are also the basic building blocks of most rocks. Examples of Minerals: Copper, Salt, Quartz, Gypsum, etc…. All minerals share four characteristics:

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Minerals

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  1. Minerals Chapter 2 Earth’s Surface

  2. Minerals- Minerals are the building blocks of many things that we use every day. They are also the basic building blocks of most rocks. Examples of Minerals: Copper, Salt, Quartz, Gypsum, etc…

  3. All minerals share four characteristics: 1. They all form in nature 2. They are all solids 3. They have a definite chemical makeup 4. They all have a crystal structure If I melt the mineral copper, is it still considered a mineral? Explain.

  4. Chemical structure- All minerals are made of specific chemical compounds and elements. Minerals of the same type will always be made of the same chemicals, no matter where they are found. For example: all of the Halite (table salt) in the world is made of Sodium Chloride (NaCl). Some minerals are completely made up of only one element. For example, diamonds and graphite are both made completely of carbon atoms.

  5. C. Crystal Structures: • A crystal is a solid in which all the atoms are arranged in a repeating 3D pattern. • If a substance does not have a crystal structure, it is not considered a mineral. • The size of the crystals depend on two things: • a. The amount of time they have to grow • b. And the amount of space they have to grow. • More than one mineral can have the same chemical structure, but different crystal structures. (Ex. Graphite and diamond) • Compare and contrast graphite and diamond.

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