Earth's Minerals (Book)

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+ Lesson Summary

  • A mineral is a naturally occurring inorganic solid. It has a definite composition and crystal structure.
  • The atoms in minerals are arranged in regular, repeating patterns.
  • These patterns are responsible for a mineral's physical properties.
  • Minerals are divided into groups.
  • The groups are based on their chemical composition. Silicates are the most common minerals.