Review for Lecture 2

1. Draw a radial cross section of the Earth. Label the major layers of the Earth, the subdivisions, and the major minerals or chemical elements found in each portion of the Earth.

2. Silicates make up a significant portion of the Earth. How are silicates classified? Define the silicate classes.

3. How does a silicate mineral formula inform you about the coordination number and number of unique sites?

4. What is solid solution? How does it result in chemical zoning.

5. Polymorphs - types and transformations

6. Relationship of crystal structure to cleavages for pyroxenes and amphiboles (and other minerals)

7. Garnets - solid solution series, occurrences

8. Feldspars - solid solution series

9. Miscibility gaps

10. P-T of quartz polymorphs

11. Zeolites - unique structure