Minerals. What are minerals? 5 characteristics of a mineral 1. Naturally occurring-can be found in the earth 2. Inorganic- made of non living things.

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Minerals. What is a mineral? A mineral is a solid natural material that has a crystal form and its own set of properties. A mineral is a solid natural.
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Presentation transcript:

Minerals

What are minerals?

5 characteristics of a mineral 1. Naturally occurring-can be found in the earth 2. Inorganic- made of non living things 3. Solid- definite volume and shape 4. Definite Composition- made of the same element or compound throughout 5. Crystal Structure- atoms are arranged in a definite pattern (may not be visible)

Formation May form from compounds dissolved in liquid May form from compounds dissolved in liquid When liquid evaporates crystals are left behind When liquid evaporates crystals are left behind Formed when magma cools Formed when magma cools Cools fastSmall crystals form Cools fastSmall crystals form Cools slowLarge crystals form Cools slowLarge crystals form

Mineral Identification Minerals have physical properties used to identify them Minerals have physical properties used to identify them 1. Color 2. Luster: metallic or nonmetallic 3. Streak: color of powder scraped off 4. Hardness: Mohs scale 5. Density 6. Crystal shape: 6 basic shapes 7. Cleavage/Fracture: how a mineral breaks

Mineral Identification

Uses of Minerals 1. Various metals form ore used for: steel, wire, cans, cars, jewelry, etc. 2. Nonmetals form ore used for: medicines, fertilizers, etc. 3. Gem Stones

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