Minerals & Rock-Forming Minerals

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• Objective: Identify common rock-forming minerals via their physical & chemical properties.

Page 2

• Key Question: What is a mineral?

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• Rocks = assemblies of minerals.

• Mineral definition:

  • Naturally occurring

  • Solid and crystalline

  • Stable at room temperature

  • Inorganic

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• Minerals consist of one or more chemical elements with a definite composition.

• Unlike rocks, minerals cannot be subdivided into smaller units with different compositions.