Mineralogy 303A

1
Mineralogy 303A Review for Exam 1 Lecture Exam
will be on Wednesday, September 14th at
1-2pm Lab Exam will be on Wednesday, September
14th at 215-5pm
2

• Lecture Exam overview
• About 30 questions
• Short answer/ short essays (5-10 sentences)
• Emphasizing concepts, definitions, and process

• Lab Exam overview
• About 20 questions
• Hand specimens and a few short answer/ short
  essays (5-10 sentences)
• Emphasizing application of concepts,
  definitions, and process

3

• Lecture Exam topics
• L01 What is a mineral?
• L02 Crystallization
• Crystal growth
• Requirements and limitations of crystal growth
• Destruction and dissolution of crystals
• Diffusion
• What drives diffusion?
• What are the types of diffusion (4 types)?
• What controls the rate of diffusion (6
  parameters)?

4

• Lecture Exam topics
• L03 Crystal Chemistry
• What is an atom?
• Atomic structure
• Arrangement of the periodic table with respect
  to atomic properties (e.g. rows versus columns)
• What is an Ion?
• Cations and anions
• Ionization Potential and Electronegativity
• Bond strength (affected by electronegativity,
  atomic size?)
• Coordination of ions (define Coordination
  Number)

5

• Lecture Exam topics
• L04 Crystal Symmetry (Internal)
• What is a motif?
• How does it relate to crystal structure?
• How does it relate to crystal strength?
• Symmetry element vs. Symmetry operation
• What is a lattice?
• What are the different types of planar lattice
  structures (2-D nets)?
• What are the different symmetry elements for
  planar lattice structures (2-D nets)? Planar
  Point Groups
• 3-D symmetry elements

6

• Lecture Exam topics
• L05 Crystal Symmetry (External)
• What is crystallography?
• Minerals vs. Crystals
• Crystal faces
• 3-D Symmetry Elements
• Rotation axis
• Mirror plane
• Inversion
• Crystal systems (based on crystallographic axes
  and symmetry elements)
• Triclinic, Monoclinic, Tetragonal, Orthorhombic,
  Hexagonal, Isometric

7

• Lab Exam topics
• Crystal Structure and Substitution
• Substitution in minerals
• Controls on substitution
• Atomic Packing
• Interstices, coordination number, radius ratios,
  electrostatic valency
• Crystal Symmetry
• rotation axes, mirror planes, motifs, and
  crystal systems based on 2-D and 3-D (e.g.
  blocks) examples