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GEOL 110 - Lecture 2

Table of Contents

  1. Minerals: Building Blocks of the Planet
  2. Properties of Minerals
  3. Composition
  4. Atomic Structure<
  5. Elements
  6. What is a mineral?
  7. Physical Properties
  8. Most Important Minerals
  9. Fundamenntal Building Blocks
  10. Objectives
  11. What are the properties of minerals?
  12. Luster and Crystal faces<
  13. Density, Specific Gravity
  14. Hardness
  15. Hardness Scale
  16. Fracture
  17. Cleavage
  18. Cleavage - Breaks
  19. Color and Shape
  20. Streak
  21. 2.1 What are the properties of minerals?
  22. 2.1 What are the properties of minerals?
  23. 2.2 What are minerals composed of?
  24. 2.2 What are minerals composed of?
  25. 2.2 What are minerals composed of?
  26. 2.2 What are minerals composed of?
  27. 2.3 How do we know the atomic structure of minerals?
  28. 2.3 How do we know the atomic structure of minerals?
  29. 2.3 How do we know the atomic structure of minerals?
  30. 2.3 How do we know the atomic structure of minerals?
  31. 2.3 How do we know the atomic structure of minerals?
  32. 2.4 How do elements combine to form minerals?
  33. 2.4 How do elements combine to form minerals?
  34. 2.4 How do elements combine to form minerals?
  35. 2.4 How do elements combine to form minerals?
  36. 2.4 How do elements combine to form minerals?
  37. 2.4 How do elements combine to form minerals?
  38. 2.4 Metallic Bonding
  39. 2.4 van der Waals Forces
  40. 2.4 Water
  41. 2.4 How do elements combine to form minerals?
  42. 2.4 How do elements combine to form minerals?
  43. 2.4 How do elements combine to form minerals?
  44. 2.4 How do elements combine to form minerals?
  45. 2.4 How do elements combine to form minerals?
  46. 2.4 How do elements combine to form minerals?
  47. 2.4 How do elements combine to form minerals?
  48. 2.4 How do elements combine to form minerals?
  49. 2.5 What is a mineral?
  50. 2.5 What is a mineral?
  51. 2.5 What is a mineral?
  52. 2.5 What is a mineral?
  53. 2.5 What is a mineral?
  54. 2.5 What is a mineral?
  55. 2.5 What is a mineral?
  56. 2.6 What determines the physical properties of minerals?
  57. 2.6 What determines the physical properties of minerals?
  58. 2.6 What determines the physical properties of minerals?
  59. 2.6 What determines the physical properties of minerals?
  60. 2.6 What determines the physical properties of minerals?
  61. 2.6 What determines the physical properties of minerals?
  62. 2.7 What are the most important minerals?
  63. 2.7 What are the most important minerals?
  64. 2.7 What are the most important minerals?
  65. 2.7 What are the most important minerals?
  66. 2.7 What are the most important minerals?
  67. 2.7 What are the most important minerals?
  68. 2.7 Silicate
  69. 2.7 Nonsilicates
  70. 2.7 Nonsilicates
  71. 2.7 Nonsilicates

Text and Images from Slide

2.7 What are the most important minerals?

Graph showing ggradation from sodium rich to calcium rich.

Large size difference - little substitution, K-spar contains little Na

Na+ and Ca2+ close in size. With some Al/Si juggling we find a range of Na/Ca content in plagioclase feldspars.

Fig 2.25

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